25987288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 55404000

約数和(自身を除く): 29416712

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 113, 136, 152, 178, 226, 323, 356, 452, 646, 712, 904, 1292, 1513, 1691, 1921, 2147, 2584, 3026, 3382, 3842, 4294, 6052, 6764, 7684, 8588, 10057, 12104, 13528, 15368, 17176, 20114, 28747, 36499, 40228, 57494, 72998, 80456, 114988, 145996, 170969, 191083, 229976, 291992, 341938, 382166, 683876, 764332, 1367752, 1528664, 3248411, 6496822, 12993644, 25987288]

約数ペア:

[(1, 25987288), (2, 12993644), (4, 6496822), (8, 3248411), (17, 1528664), (19, 1367752), (34, 764332), (38, 683876), (68, 382166), (76, 341938), (89, 291992), (113, 229976), (136, 191083), (152, 170969), (178, 145996), (226, 114988), (323, 80456), (356, 72998), (452, 57494), (646, 40228), (712, 36499), (904, 28747), (1292, 20114), (1513, 17176), (1691, 15368), (1921, 13528), (2147, 12104), (2584, 10057), (3026, 8588), (3382, 7684), (3842, 6764), (4294, 6052)]