641357676

素因数分解:

$2^2\times 3^5\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 1746501120

約数和(自身を除く): 1105143444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 101, 108, 139, 141, 162, 188, 202, 243, 278, 282, 303, 324, 404, 417, 423, 486, 556, 564, 606, 834, 846, 909, 972, 1212, 1251, 1269, 1668, 1692, 1818, 2502, 2538, 2727, 3636, 3753, 3807, 4747, 5004, 5076, 5454, 6533, 7506, 7614, 8181, 9494, 10908, 11259, 11421, 13066, 14039, 14241, 15012, 15228, 16362, 18988, 19599, 22518, 22842, 24543, 26132, 28078, 28482, 32724, 33777, 39198, 42117, 42723, 45036, 45684, 49086, 56156, 56964, 58797, 67554, 78396, 84234, 85446, 98172, 117594, 126351, 128169, 135108, 168468, 170892, 176391, 235188, 252702, 256338, 352782, 379053, 384507, 505404, 512676, 529173, 659833, 705564, 758106, 769014, 1058346, 1137159, 1153521, 1319666, 1516212, 1538028, 1587519, 1979499, 2116692, 2274318, 2307042, 2639332, 3175038, 3411477, 3958998, 4548636, 4614084, 5938497, 6350076, 6822954, 7917996, 11876994, 13645908, 17815491, 23753988, 35630982, 53446473, 71261964, 106892946, 160339419, 213785892, 320678838, 641357676]

約数ペア:

[(1, 641357676), (2, 320678838), (3, 213785892), (4, 160339419), (6, 106892946), (9, 71261964), (12, 53446473), (18, 35630982), (27, 23753988), (36, 17815491), (47, 13645908), (54, 11876994), (81, 7917996), (94, 6822954), (101, 6350076), (108, 5938497), (139, 4614084), (141, 4548636), (162, 3958998), (188, 3411477), (202, 3175038), (243, 2639332), (278, 2307042), (282, 2274318), (303, 2116692), (324, 1979499), (404, 1587519), (417, 1538028), (423, 1516212), (486, 1319666), (556, 1153521), (564, 1137159), (606, 1058346), (834, 769014), (846, 758106), (909, 705564), (972, 659833), (1212, 529173), (1251, 512676), (1269, 505404), (1668, 384507), (1692, 379053), (1818, 352782), (2502, 256338), (2538, 252702), (2727, 235188), (3636, 176391), (3753, 170892), (3807, 168468), (4747, 135108), (5004, 128169), (5076, 126351), (5454, 117594), (6533, 98172), (7506, 85446), (7614, 84234), (8181, 78396), (9494, 67554), (10908, 58797), (11259, 56964), (11421, 56156), (13066, 49086), (14039, 45684), (14241, 45036), (15012, 42723), (15228, 42117), (16362, 39198), (18988, 33777), (19599, 32724), (22518, 28482), (22842, 28078), (24543, 26132)]