61017968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 138205440

約数和(自身を除く): 77187472

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 257, 284, 304, 418, 514, 568, 781, 836, 1028, 1136, 1349, 1562, 1672, 2056, 2698, 2827, 3124, 3344, 4112, 4883, 5396, 5654, 6248, 9766, 10792, 11308, 12496, 14839, 18247, 19532, 21584, 22616, 29678, 36494, 39064, 45232, 53713, 59356, 72988, 78128, 107426, 118712, 145976, 200717, 214852, 237424, 291952, 346693, 401434, 429704, 693386, 802868, 859408, 1386772, 1605736, 2773544, 3211472, 3813623, 5547088, 7627246, 15254492, 30508984, 61017968]

約数ペア:

[(1, 61017968), (2, 30508984), (4, 15254492), (8, 7627246), (11, 5547088), (16, 3813623), (19, 3211472), (22, 2773544), (38, 1605736), (44, 1386772), (71, 859408), (76, 802868), (88, 693386), (142, 429704), (152, 401434), (176, 346693), (209, 291952), (257, 237424), (284, 214852), (304, 200717), (418, 145976), (514, 118712), (568, 107426), (781, 78128), (836, 72988), (1028, 59356), (1136, 53713), (1349, 45232), (1562, 39064), (1672, 36494), (2056, 29678), (2698, 22616), (2827, 21584), (3124, 19532), (3344, 18247), (4112, 14839), (4883, 12496), (5396, 11308), (5654, 10792), (6248, 9766)]