8889493990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1\times {\mathrm{1361}}^1$

素因数の和:2497

約数の個数: 64

約数和(自身を含む): 17627984640

約数和(自身を除く): 8738490650

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1069, 1222, 1361, 2138, 2722, 3055, 5345, 6110, 6805, 10690, 13610, 13897, 17693, 27794, 35386, 50243, 63967, 69485, 88465, 100486, 127934, 138970, 176930, 251215, 319835, 502430, 639670, 653159, 831571, 1306318, 1454909, 1663142, 2909818, 3265795, 4157855, 6531590, 7274545, 8315710, 14549090, 18913817, 37827634, 68380723, 94569085, 136761446, 189138170, 341903615, 683807230, 888949399, 1777898798, 4444746995, 8889493990]

約数ペア:

[(1, 8889493990), (2, 4444746995), (5, 1777898798), (10, 888949399), (13, 683807230), (26, 341903615), (47, 189138170), (65, 136761446), (94, 94569085), (130, 68380723), (235, 37827634), (470, 18913817), (611, 14549090), (1069, 8315710), (1222, 7274545), (1361, 6531590), (2138, 4157855), (2722, 3265795), (3055, 2909818), (5345, 1663142), (6110, 1454909), (6805, 1306318), (10690, 831571), (13610, 653159), (13897, 639670), (17693, 502430), (27794, 319835), (35386, 251215), (50243, 176930), (63967, 138970), (69485, 127934), (88465, 100486)]