261621528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53699}}^1$

素因数の和:53744

約数の個数: 64

約数和(自身を含む): 773280000

約数和(自身を除く): 511658472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4872, 53699, 107398, 161097, 214796, 322194, 375893, 429592, 644388, 751786, 1127679, 1288776, 1503572, 1557271, 2255358, 3007144, 3114542, 4510716, 4671813, 6229084, 9021432, 9343626, 10900897, 12458168, 18687252, 21801794, 32702691, 37374504, 43603588, 65405382, 87207176, 130810764, 261621528]

約数ペア:

[(1, 261621528), (2, 130810764), (3, 87207176), (4, 65405382), (6, 43603588), (7, 37374504), (8, 32702691), (12, 21801794), (14, 18687252), (21, 12458168), (24, 10900897), (28, 9343626), (29, 9021432), (42, 6229084), (56, 4671813), (58, 4510716), (84, 3114542), (87, 3007144), (116, 2255358), (168, 1557271), (174, 1503572), (203, 1288776), (232, 1127679), (348, 751786), (406, 644388), (609, 429592), (696, 375893), (812, 322194), (1218, 214796), (1624, 161097), (2436, 107398), (4872, 53699)]