64318876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 123530400

約数和(自身を除く): 59211524

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 89, 148, 178, 257, 356, 514, 703, 1028, 1406, 1691, 2812, 3293, 3382, 4883, 6586, 6764, 9509, 9766, 13172, 19018, 19532, 22873, 38036, 45746, 62567, 91492, 125134, 180671, 250268, 361342, 434587, 722684, 846301, 869174, 1692602, 1738348, 3385204, 16079719, 32159438, 64318876]

約数ペア:

[(1, 64318876), (2, 32159438), (4, 16079719), (19, 3385204), (37, 1738348), (38, 1692602), (74, 869174), (76, 846301), (89, 722684), (148, 434587), (178, 361342), (257, 250268), (356, 180671), (514, 125134), (703, 91492), (1028, 62567), (1406, 45746), (1691, 38036), (2812, 22873), (3293, 19532), (3382, 19018), (4883, 13172), (6586, 9766), (6764, 9509)]