258787490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 536481792

約数和(自身を除く): 277694302

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 205, 230, 299, 410, 533, 598, 943, 1066, 1495, 1886, 2111, 2665, 2990, 4222, 4715, 5330, 9430, 10555, 12259, 21110, 24518, 27443, 48553, 54886, 61295, 86551, 97106, 122590, 137215, 173102, 242765, 274430, 432755, 485530, 631189, 865510, 1125163, 1262378, 1990673, 2250326, 3155945, 3981346, 5625815, 6311890, 9953365, 11251630, 19906730, 25878749, 51757498, 129393745, 258787490]

約数ペア:

[(1, 258787490), (2, 129393745), (5, 51757498), (10, 25878749), (13, 19906730), (23, 11251630), (26, 9953365), (41, 6311890), (46, 5625815), (65, 3981346), (82, 3155945), (115, 2250326), (130, 1990673), (205, 1262378), (230, 1125163), (299, 865510), (410, 631189), (533, 485530), (598, 432755), (943, 274430), (1066, 242765), (1495, 173102), (1886, 137215), (2111, 122590), (2665, 97106), (2990, 86551), (4222, 61295), (4715, 54886), (5330, 48553), (9430, 27443), (10555, 24518), (12259, 21110)]