402839178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^2$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 977786208

約数和(自身を除く): 574947030

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 163, 266, 326, 361, 399, 489, 722, 798, 978, 1083, 1141, 2166, 2282, 2527, 3097, 3423, 5054, 6194, 6846, 7581, 9291, 15162, 18582, 21679, 26569, 43358, 53138, 58843, 65037, 79707, 117686, 130074, 159414, 176529, 185983, 353058, 371966, 411901, 504811, 557949, 823802, 1009622, 1115898, 1235703, 1514433, 2471406, 3028866, 3533677, 7067354, 9591409, 10601031, 19182818, 21202062, 28774227, 57548454, 67139863, 134279726, 201419589, 402839178]

約数ペア:

[(1, 402839178), (2, 201419589), (3, 134279726), (6, 67139863), (7, 57548454), (14, 28774227), (19, 21202062), (21, 19182818), (38, 10601031), (42, 9591409), (57, 7067354), (114, 3533677), (133, 3028866), (163, 2471406), (266, 1514433), (326, 1235703), (361, 1115898), (399, 1009622), (489, 823802), (722, 557949), (798, 504811), (978, 411901), (1083, 371966), (1141, 353058), (2166, 185983), (2282, 176529), (2527, 159414), (3097, 130074), (3423, 117686), (5054, 79707), (6194, 65037), (6846, 58843), (7581, 53138), (9291, 43358), (15162, 26569), (18582, 21679)]