15982746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 20789094

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 78, 118, 138, 151, 177, 299, 302, 354, 453, 598, 767, 897, 906, 1357, 1534, 1794, 1963, 2301, 2714, 3473, 3926, 4071, 4602, 5889, 6946, 8142, 8909, 10419, 11778, 17641, 17818, 20838, 26727, 35282, 45149, 52923, 53454, 90298, 105846, 115817, 135447, 204907, 231634, 270894, 347451, 409814, 614721, 694902, 1229442, 2663791, 5327582, 7991373, 15982746]

約数ペア:

[(1, 15982746), (2, 7991373), (3, 5327582), (6, 2663791), (13, 1229442), (23, 694902), (26, 614721), (39, 409814), (46, 347451), (59, 270894), (69, 231634), (78, 204907), (118, 135447), (138, 115817), (151, 105846), (177, 90298), (299, 53454), (302, 52923), (354, 45149), (453, 35282), (598, 26727), (767, 20838), (897, 17818), (906, 17641), (1357, 11778), (1534, 10419), (1794, 8909), (1963, 8142), (2301, 6946), (2714, 5889), (3473, 4602), (3926, 4071)]