101977988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 210419328

約数和(自身を除く): 108441340

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 211, 287, 421, 422, 574, 842, 844, 1148, 1477, 1684, 2947, 2954, 5894, 5908, 8651, 11788, 17261, 17302, 34522, 34604, 60557, 69044, 88831, 120827, 121114, 177662, 241654, 242228, 355324, 483308, 621817, 1243634, 2487268, 3642071, 7284142, 14568284, 25494497, 50988994, 101977988]

約数ペア:

[(1, 101977988), (2, 50988994), (4, 25494497), (7, 14568284), (14, 7284142), (28, 3642071), (41, 2487268), (82, 1243634), (164, 621817), (211, 483308), (287, 355324), (421, 242228), (422, 241654), (574, 177662), (842, 121114), (844, 120827), (1148, 88831), (1477, 69044), (1684, 60557), (2947, 34604), (2954, 34522), (5894, 17302), (5908, 17261), (8651, 11788)]