71903628

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 186863040

約数和(自身を除く): 114959412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 137, 183, 239, 244, 274, 366, 411, 478, 548, 549, 717, 732, 822, 956, 1098, 1233, 1434, 1644, 2151, 2196, 2466, 2868, 4302, 4932, 8357, 8604, 14579, 16714, 25071, 29158, 32743, 33428, 43737, 50142, 58316, 65486, 75213, 87474, 98229, 100284, 130972, 131211, 150426, 174948, 196458, 262422, 294687, 300852, 392916, 524844, 589374, 1178748, 1997323, 3994646, 5991969, 7989292, 11983938, 17975907, 23967876, 35951814, 71903628]

約数ペア:

[(1, 71903628), (2, 35951814), (3, 23967876), (4, 17975907), (6, 11983938), (9, 7989292), (12, 5991969), (18, 3994646), (36, 1997323), (61, 1178748), (122, 589374), (137, 524844), (183, 392916), (239, 300852), (244, 294687), (274, 262422), (366, 196458), (411, 174948), (478, 150426), (548, 131211), (549, 130972), (717, 100284), (732, 98229), (822, 87474), (956, 75213), (1098, 65486), (1233, 58316), (1434, 50142), (1644, 43737), (2151, 33428), (2196, 32743), (2466, 29158), (2868, 25071), (4302, 16714), (4932, 14579), (8357, 8604)]