27981590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 62826624

約数和(自身を除く): 34845034

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 130, 182, 194, 317, 455, 485, 634, 679, 910, 970, 1261, 1358, 1585, 2219, 2522, 3170, 3395, 4121, 4438, 6305, 6790, 8242, 8827, 11095, 12610, 17654, 20605, 22190, 28847, 30749, 41210, 44135, 57694, 61498, 88270, 144235, 153745, 215243, 288470, 307490, 399737, 430486, 799474, 1076215, 1998685, 2152430, 2798159, 3997370, 5596318, 13990795, 27981590]

約数ペア:

[(1, 27981590), (2, 13990795), (5, 5596318), (7, 3997370), (10, 2798159), (13, 2152430), (14, 1998685), (26, 1076215), (35, 799474), (65, 430486), (70, 399737), (91, 307490), (97, 288470), (130, 215243), (182, 153745), (194, 144235), (317, 88270), (455, 61498), (485, 57694), (634, 44135), (679, 41210), (910, 30749), (970, 28847), (1261, 22190), (1358, 20605), (1585, 17654), (2219, 12610), (2522, 11095), (3170, 8827), (3395, 8242), (4121, 6790), (4438, 6305)]