1639403892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{82349}}^1$

素因数の和:82445

約数の個数: 72

約数和(自身を含む): 4796064000

約数和(自身を除く): 3156660108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 4977, 6636, 9954, 19908, 82349, 164698, 247047, 329396, 494094, 576443, 741141, 988188, 1152886, 1482282, 1729329, 2305772, 2964564, 3458658, 5187987, 6505571, 6917316, 10375974, 13011142, 19516713, 20751948, 26022284, 39033426, 45538997, 58550139, 78066852, 91077994, 117100278, 136616991, 182155988, 234200556, 273233982, 409850973, 546467964, 819701946, 1639403892]

約数ペア:

[(1, 1639403892), (2, 819701946), (3, 546467964), (4, 409850973), (6, 273233982), (7, 234200556), (9, 182155988), (12, 136616991), (14, 117100278), (18, 91077994), (21, 78066852), (28, 58550139), (36, 45538997), (42, 39033426), (63, 26022284), (79, 20751948), (84, 19516713), (126, 13011142), (158, 10375974), (237, 6917316), (252, 6505571), (316, 5187987), (474, 3458658), (553, 2964564), (711, 2305772), (948, 1729329), (1106, 1482282), (1422, 1152886), (1659, 988188), (2212, 741141), (2844, 576443), (3318, 494094), (4977, 329396), (6636, 247047), (9954, 164698), (19908, 82349)]