81452392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2069}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 188784000

約数和(自身を除く): 107331608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 518, 532, 703, 1036, 1064, 1406, 2069, 2072, 2812, 4138, 4921, 5624, 8276, 9842, 14483, 16552, 19684, 28966, 39311, 39368, 57932, 76553, 78622, 115864, 153106, 157244, 275177, 306212, 314488, 535871, 550354, 612424, 1071742, 1100708, 1454507, 2143484, 2201416, 2909014, 4286968, 5818028, 10181549, 11636056, 20363098, 40726196, 81452392]

約数ペア:

[(1, 81452392), (2, 40726196), (4, 20363098), (7, 11636056), (8, 10181549), (14, 5818028), (19, 4286968), (28, 2909014), (37, 2201416), (38, 2143484), (56, 1454507), (74, 1100708), (76, 1071742), (133, 612424), (148, 550354), (152, 535871), (259, 314488), (266, 306212), (296, 275177), (518, 157244), (532, 153106), (703, 115864), (1036, 78622), (1064, 76553), (1406, 57932), (2069, 39368), (2072, 39311), (2812, 28966), (4138, 19684), (4921, 16552), (5624, 14483), (8276, 9842)]