31900316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 68328960

約数和(自身を除く): 36428644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 427, 532, 854, 983, 1159, 1708, 1966, 2318, 3932, 4636, 6881, 8113, 13762, 16226, 18677, 27524, 32452, 37354, 59963, 74708, 119926, 130739, 239852, 261478, 419741, 522956, 839482, 1139297, 1678964, 2278594, 4557188, 7975079, 15950158, 31900316]

約数ペア:

[(1, 31900316), (2, 15950158), (4, 7975079), (7, 4557188), (14, 2278594), (19, 1678964), (28, 1139297), (38, 839482), (61, 522956), (76, 419741), (122, 261478), (133, 239852), (244, 130739), (266, 119926), (427, 74708), (532, 59963), (854, 37354), (983, 32452), (1159, 27524), (1708, 18677), (1966, 16226), (2318, 13762), (3932, 8113), (4636, 6881)]