42728478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 97542144

約数和(自身を除く): 54813666

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 186, 246, 403, 431, 533, 806, 862, 1066, 1209, 1271, 1293, 1599, 2418, 2542, 2586, 3198, 3813, 5603, 7626, 11206, 13361, 16523, 16809, 17671, 26722, 33046, 33618, 35342, 40083, 49569, 53013, 80166, 99138, 106026, 173693, 229723, 347386, 459446, 521079, 547801, 689169, 1042158, 1095602, 1378338, 1643403, 3286806, 7121413, 14242826, 21364239, 42728478]

約数ペア:

[(1, 42728478), (2, 21364239), (3, 14242826), (6, 7121413), (13, 3286806), (26, 1643403), (31, 1378338), (39, 1095602), (41, 1042158), (62, 689169), (78, 547801), (82, 521079), (93, 459446), (123, 347386), (186, 229723), (246, 173693), (403, 106026), (431, 99138), (533, 80166), (806, 53013), (862, 49569), (1066, 40083), (1209, 35342), (1271, 33618), (1293, 33046), (1599, 26722), (2418, 17671), (2542, 16809), (2586, 16523), (3198, 13361), (3813, 11206), (5603, 7626)]