31991328

素因数分解:

$2^5\times 3^3\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 94993920

約数和(自身を除く): 63002592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 96, 108, 122, 144, 183, 216, 244, 288, 366, 432, 488, 549, 607, 732, 864, 976, 1098, 1214, 1464, 1647, 1821, 1952, 2196, 2428, 2928, 3294, 3642, 4392, 4856, 5463, 5856, 6588, 7284, 8784, 9712, 10926, 13176, 14568, 16389, 17568, 19424, 21852, 26352, 29136, 32778, 37027, 43704, 52704, 58272, 65556, 74054, 87408, 111081, 131112, 148108, 174816, 222162, 262224, 296216, 333243, 444324, 524448, 592432, 666486, 888648, 999729, 1184864, 1332972, 1777296, 1999458, 2665944, 3554592, 3998916, 5331888, 7997832, 10663776, 15995664, 31991328]

約数ペア:

[(1, 31991328), (2, 15995664), (3, 10663776), (4, 7997832), (6, 5331888), (8, 3998916), (9, 3554592), (12, 2665944), (16, 1999458), (18, 1777296), (24, 1332972), (27, 1184864), (32, 999729), (36, 888648), (48, 666486), (54, 592432), (61, 524448), (72, 444324), (96, 333243), (108, 296216), (122, 262224), (144, 222162), (183, 174816), (216, 148108), (244, 131112), (288, 111081), (366, 87408), (432, 74054), (488, 65556), (549, 58272), (607, 52704), (732, 43704), (864, 37027), (976, 32778), (1098, 29136), (1214, 26352), (1464, 21852), (1647, 19424), (1821, 17568), (1952, 16389), (2196, 14568), (2428, 13176), (2928, 10926), (3294, 9712), (3642, 8784), (4392, 7284), (4856, 6588), (5463, 5856)]