81492502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 157377024

約数和(自身を除く): 75884522

約数列:

[1, 2, 7, 13, 14, 26, 41, 67, 82, 91, 134, 163, 182, 287, 326, 469, 533, 574, 871, 938, 1066, 1141, 1742, 2119, 2282, 2747, 3731, 4238, 5494, 6097, 6683, 7462, 10921, 12194, 13366, 14833, 19229, 21842, 29666, 35711, 38458, 46781, 71422, 76447, 86879, 93562, 141973, 152894, 173758, 249977, 283946, 447761, 499954, 608153, 895522, 993811, 1216306, 1987622, 3134327, 5820893, 6268654, 11641786, 40746251, 81492502]

約数ペア:

[(1, 81492502), (2, 40746251), (7, 11641786), (13, 6268654), (14, 5820893), (26, 3134327), (41, 1987622), (67, 1216306), (82, 993811), (91, 895522), (134, 608153), (163, 499954), (182, 447761), (287, 283946), (326, 249977), (469, 173758), (533, 152894), (574, 141973), (871, 93562), (938, 86879), (1066, 76447), (1141, 71422), (1742, 46781), (2119, 38458), (2282, 35711), (2747, 29666), (3731, 21842), (4238, 19229), (5494, 14833), (6097, 13366), (6683, 12194), (7462, 10921)]