398578284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 1136937984

約数和(自身を除く): 738359700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 83, 93, 117, 124, 156, 166, 186, 234, 249, 279, 331, 332, 372, 403, 468, 498, 558, 662, 747, 806, 993, 996, 1079, 1116, 1209, 1324, 1494, 1612, 1986, 2158, 2418, 2573, 2979, 2988, 3237, 3627, 3972, 4303, 4316, 4836, 5146, 5958, 6474, 7254, 7719, 8606, 9711, 10261, 10292, 11916, 12909, 12948, 14508, 15438, 17212, 19422, 20522, 23157, 25818, 27473, 30783, 30876, 33449, 38727, 38844, 41044, 46314, 51636, 54946, 61566, 66898, 77454, 82419, 92349, 92628, 100347, 109892, 123132, 133393, 133796, 154908, 164838, 184698, 200694, 247257, 266786, 301041, 329676, 357149, 369396, 400179, 401388, 494514, 533572, 602082, 714298, 800358, 851663, 989028, 1071447, 1200537, 1204164, 1428596, 1600716, 1703326, 2142894, 2401074, 2554989, 3214341, 3406652, 4285788, 4802148, 5109978, 6428682, 7664967, 10219956, 11071619, 12857364, 15329934, 22143238, 30659868, 33214857, 44286476, 66429714, 99644571, 132859428, 199289142, 398578284]

約数ペア:

[(1, 398578284), (2, 199289142), (3, 132859428), (4, 99644571), (6, 66429714), (9, 44286476), (12, 33214857), (13, 30659868), (18, 22143238), (26, 15329934), (31, 12857364), (36, 11071619), (39, 10219956), (52, 7664967), (62, 6428682), (78, 5109978), (83, 4802148), (93, 4285788), (117, 3406652), (124, 3214341), (156, 2554989), (166, 2401074), (186, 2142894), (234, 1703326), (249, 1600716), (279, 1428596), (331, 1204164), (332, 1200537), (372, 1071447), (403, 989028), (468, 851663), (498, 800358), (558, 714298), (662, 602082), (747, 533572), (806, 494514), (993, 401388), (996, 400179), (1079, 369396), (1116, 357149), (1209, 329676), (1324, 301041), (1494, 266786), (1612, 247257), (1986, 200694), (2158, 184698), (2418, 164838), (2573, 154908), (2979, 133796), (2988, 133393), (3237, 123132), (3627, 109892), (3972, 100347), (4303, 92628), (4316, 92349), (4836, 82419), (5146, 77454), (5958, 66898), (6474, 61566), (7254, 54946), (7719, 51636), (8606, 46314), (9711, 41044), (10261, 38844), (10292, 38727), (11916, 33449), (12909, 30876), (12948, 30783), (14508, 27473), (15438, 25818), (17212, 23157), (19422, 20522)]