1640665416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{32261}}^1$

素因数の和:32446

約数の個数: 64

約数和(自身を含む): 4444413120

約数和(自身を除く): 2803747704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 163, 312, 326, 489, 652, 978, 1304, 1956, 2119, 3912, 4238, 6357, 8476, 12714, 16952, 25428, 32261, 50856, 64522, 96783, 129044, 193566, 258088, 387132, 419393, 774264, 838786, 1258179, 1677572, 2516358, 3355144, 5032716, 5258543, 10065432, 10517086, 15775629, 21034172, 31551258, 42068344, 63102516, 68361059, 126205032, 136722118, 205083177, 273444236, 410166354, 546888472, 820332708, 1640665416]

約数ペア:

[(1, 1640665416), (2, 820332708), (3, 546888472), (4, 410166354), (6, 273444236), (8, 205083177), (12, 136722118), (13, 126205032), (24, 68361059), (26, 63102516), (39, 42068344), (52, 31551258), (78, 21034172), (104, 15775629), (156, 10517086), (163, 10065432), (312, 5258543), (326, 5032716), (489, 3355144), (652, 2516358), (978, 1677572), (1304, 1258179), (1956, 838786), (2119, 774264), (3912, 419393), (4238, 387132), (6357, 258088), (8476, 193566), (12714, 129044), (16952, 96783), (25428, 64522), (32261, 50856)]