64979968

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 88

約数和(自身を含む): 141488640

約数和(自身を除く): 76508672

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 89, 92, 124, 128, 178, 184, 248, 256, 356, 368, 496, 512, 712, 713, 736, 992, 1024, 1424, 1426, 1472, 1984, 2047, 2759, 2848, 2852, 2944, 3968, 4094, 5518, 5696, 5704, 5888, 7936, 8188, 11036, 11392, 11408, 11776, 15872, 16376, 22072, 22784, 22816, 23552, 31744, 32752, 44144, 45568, 45632, 63457, 65504, 88288, 91136, 91264, 126914, 131008, 176576, 182528, 253828, 262016, 353152, 365056, 507656, 524032, 706304, 730112, 1015312, 1048064, 1412608, 2030624, 2096128, 2825216, 4061248, 8122496, 16244992, 32489984, 64979968]

約数ペア:

[(1, 64979968), (2, 32489984), (4, 16244992), (8, 8122496), (16, 4061248), (23, 2825216), (31, 2096128), (32, 2030624), (46, 1412608), (62, 1048064), (64, 1015312), (89, 730112), (92, 706304), (124, 524032), (128, 507656), (178, 365056), (184, 353152), (248, 262016), (256, 253828), (356, 182528), (368, 176576), (496, 131008), (512, 126914), (712, 91264), (713, 91136), (736, 88288), (992, 65504), (1024, 63457), (1424, 45632), (1426, 45568), (1472, 44144), (1984, 32752), (2047, 31744), (2759, 23552), (2848, 22816), (2852, 22784), (2944, 22072), (3968, 16376), (4094, 15872), (5518, 11776), (5696, 11408), (5704, 11392), (5888, 11036), (7936, 8188)]