25681572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 74686976

約数和(自身を除く): 49005404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 457, 669, 892, 914, 1338, 1371, 1561, 1828, 2007, 2676, 2742, 3122, 3199, 4014, 4113, 4683, 5484, 6244, 6398, 8028, 8226, 9366, 9597, 12796, 14049, 16452, 18732, 19194, 28098, 28791, 38388, 56196, 57582, 101911, 115164, 203822, 305733, 407644, 611466, 713377, 917199, 1222932, 1426754, 1834398, 2140131, 2853508, 3668796, 4280262, 6420393, 8560524, 12840786, 25681572]

約数ペア:

[(1, 25681572), (2, 12840786), (3, 8560524), (4, 6420393), (6, 4280262), (7, 3668796), (9, 2853508), (12, 2140131), (14, 1834398), (18, 1426754), (21, 1222932), (28, 917199), (36, 713377), (42, 611466), (63, 407644), (84, 305733), (126, 203822), (223, 115164), (252, 101911), (446, 57582), (457, 56196), (669, 38388), (892, 28791), (914, 28098), (1338, 19194), (1371, 18732), (1561, 16452), (1828, 14049), (2007, 12796), (2676, 9597), (2742, 9366), (3122, 8226), (3199, 8028), (4014, 6398), (4113, 6244), (4683, 5484)]