16815890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 22665454

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1087, 1105, 1190, 1547, 2174, 2210, 3094, 5435, 7609, 7735, 10870, 14131, 15218, 15470, 18479, 28262, 36958, 38045, 70655, 76090, 92395, 98917, 129353, 141310, 184790, 197834, 240227, 258706, 480454, 494585, 646765, 989170, 1201135, 1293530, 1681589, 2402270, 3363178, 8407945, 16815890]

約数ペア:

[(1, 16815890), (2, 8407945), (5, 3363178), (7, 2402270), (10, 1681589), (13, 1293530), (14, 1201135), (17, 989170), (26, 646765), (34, 494585), (35, 480454), (65, 258706), (70, 240227), (85, 197834), (91, 184790), (119, 141310), (130, 129353), (170, 98917), (182, 92395), (221, 76090), (238, 70655), (442, 38045), (455, 36958), (595, 28262), (910, 18479), (1087, 15470), (1105, 15218), (1190, 14131), (1547, 10870), (2174, 7735), (2210, 7609), (3094, 5435)]