398579416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 844754400

約数和(自身を除く): 446174984

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 73, 76, 136, 146, 152, 292, 323, 584, 646, 1241, 1292, 1387, 2113, 2482, 2584, 2774, 4226, 4964, 5548, 8452, 9928, 11096, 16904, 23579, 35921, 40147, 47158, 71842, 80294, 94316, 143684, 154249, 160588, 188632, 287368, 308498, 321176, 616996, 682499, 1233992, 1364998, 2622233, 2729996, 2930731, 5244466, 5459992, 5861462, 10488932, 11722924, 20977864, 23445848, 49822427, 99644854, 199289708, 398579416]

約数ペア:

[(1, 398579416), (2, 199289708), (4, 99644854), (8, 49822427), (17, 23445848), (19, 20977864), (34, 11722924), (38, 10488932), (68, 5861462), (73, 5459992), (76, 5244466), (136, 2930731), (146, 2729996), (152, 2622233), (292, 1364998), (323, 1233992), (584, 682499), (646, 616996), (1241, 321176), (1292, 308498), (1387, 287368), (2113, 188632), (2482, 160588), (2584, 154249), (2774, 143684), (4226, 94316), (4964, 80294), (5548, 71842), (8452, 47158), (9928, 40147), (11096, 35921), (16904, 23579)]