81883908

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 211891680

約数和(自身を除く): 130007772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 131, 179, 194, 262, 291, 358, 388, 393, 524, 537, 582, 716, 786, 873, 1074, 1164, 1179, 1572, 1611, 1746, 2148, 2358, 3222, 3492, 4716, 6444, 12707, 17363, 23449, 25414, 34726, 38121, 46898, 50828, 52089, 69452, 70347, 76242, 93796, 104178, 114363, 140694, 152484, 156267, 208356, 211041, 228726, 281388, 312534, 422082, 457452, 625068, 844164, 2274553, 4549106, 6823659, 9098212, 13647318, 20470977, 27294636, 40941954, 81883908]

約数ペア:

[(1, 81883908), (2, 40941954), (3, 27294636), (4, 20470977), (6, 13647318), (9, 9098212), (12, 6823659), (18, 4549106), (36, 2274553), (97, 844164), (131, 625068), (179, 457452), (194, 422082), (262, 312534), (291, 281388), (358, 228726), (388, 211041), (393, 208356), (524, 156267), (537, 152484), (582, 140694), (716, 114363), (786, 104178), (873, 93796), (1074, 76242), (1164, 70347), (1179, 69452), (1572, 52089), (1611, 50828), (1746, 46898), (2148, 38121), (2358, 34726), (3222, 25414), (3492, 23449), (4716, 17363), (6444, 12707)]