72111028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 142365888

約数和(自身を除く): 70254860

約数列:

[1, 2, 4, 11, 22, 44, 61, 67, 122, 134, 244, 268, 401, 671, 737, 802, 1342, 1474, 1604, 2684, 2948, 4087, 4411, 8174, 8822, 16348, 17644, 24461, 26867, 44957, 48922, 53734, 89914, 97844, 107468, 179828, 269071, 295537, 538142, 591074, 1076284, 1182148, 1638887, 3277774, 6555548, 18027757, 36055514, 72111028]

約数ペア:

[(1, 72111028), (2, 36055514), (4, 18027757), (11, 6555548), (22, 3277774), (44, 1638887), (61, 1182148), (67, 1076284), (122, 591074), (134, 538142), (244, 295537), (268, 269071), (401, 179828), (671, 107468), (737, 97844), (802, 89914), (1342, 53734), (1474, 48922), (1604, 44957), (2684, 26867), (2948, 24461), (4087, 17644), (4411, 16348), (8174, 8822)]