9917830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 10984058

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 107, 115, 130, 155, 214, 230, 299, 310, 403, 535, 598, 713, 806, 1070, 1391, 1426, 1495, 2015, 2461, 2782, 2990, 3317, 3565, 4030, 4922, 6634, 6955, 7130, 9269, 12305, 13910, 16585, 18538, 24610, 31993, 33170, 43121, 46345, 63986, 76291, 86242, 92690, 152582, 159965, 215605, 319930, 381455, 431210, 762910, 991783, 1983566, 4958915, 9917830]

約数ペア:

[(1, 9917830), (2, 4958915), (5, 1983566), (10, 991783), (13, 762910), (23, 431210), (26, 381455), (31, 319930), (46, 215605), (62, 159965), (65, 152582), (107, 92690), (115, 86242), (130, 76291), (155, 63986), (214, 46345), (230, 43121), (299, 33170), (310, 31993), (403, 24610), (535, 18538), (598, 16585), (713, 13910), (806, 12305), (1070, 9269), (1391, 7130), (1426, 6955), (1495, 6634), (2015, 4922), (2461, 4030), (2782, 3565), (2990, 3317)]