31713128

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 64008000

約数和(自身を除く): 32294872

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 139, 152, 158, 278, 316, 361, 556, 632, 722, 1112, 1444, 1501, 2641, 2888, 3002, 5282, 6004, 10564, 10981, 12008, 21128, 21962, 28519, 43924, 50179, 57038, 87848, 100358, 114076, 200716, 208639, 228152, 401432, 417278, 834556, 1669112, 3964141, 7928282, 15856564, 31713128]

約数ペア:

[(1, 31713128), (2, 15856564), (4, 7928282), (8, 3964141), (19, 1669112), (38, 834556), (76, 417278), (79, 401432), (139, 228152), (152, 208639), (158, 200716), (278, 114076), (316, 100358), (361, 87848), (556, 57038), (632, 50179), (722, 43924), (1112, 28519), (1444, 21962), (1501, 21128), (2641, 12008), (2888, 10981), (3002, 10564), (5282, 6004)]