81379844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 95020156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 179, 182, 358, 364, 716, 1249, 1253, 2327, 2498, 2506, 4654, 4996, 5012, 8743, 9308, 16237, 16289, 17486, 32474, 32578, 34972, 64948, 65156, 113659, 223571, 227318, 447142, 454636, 894284, 1564997, 2906423, 3129994, 5812846, 6259988, 11625692, 20344961, 40689922, 81379844]

約数ペア:

[(1, 81379844), (2, 40689922), (4, 20344961), (7, 11625692), (13, 6259988), (14, 5812846), (26, 3129994), (28, 2906423), (52, 1564997), (91, 894284), (179, 454636), (182, 447142), (358, 227318), (364, 223571), (716, 113659), (1249, 65156), (1253, 64948), (2327, 34972), (2498, 32578), (2506, 32474), (4654, 17486), (4996, 16289), (5012, 16237), (8743, 9308)]