28266856475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{52363}}^1$

素因数の和:52548

約数の個数: 48

約数和(自身を含む): 41452180224

約数和(自身を除く): 13185323749

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 151, 275, 325, 715, 755, 1661, 1963, 3575, 3775, 8305, 9815, 21593, 41525, 49075, 52363, 107965, 261815, 539825, 575993, 680719, 1309075, 2879965, 3403595, 7487909, 7906813, 14399825, 17017975, 37439545, 39534065, 86974943, 102788569, 187197725, 197670325, 434874715, 513942845, 1130674259, 2174373575, 2569714225, 5653371295, 28266856475]

約数ペア:

[(1, 28266856475), (5, 5653371295), (11, 2569714225), (13, 2174373575), (25, 1130674259), (55, 513942845), (65, 434874715), (143, 197670325), (151, 187197725), (275, 102788569), (325, 86974943), (715, 39534065), (755, 37439545), (1661, 17017975), (1963, 14399825), (3575, 7906813), (3775, 7487909), (8305, 3403595), (9815, 2879965), (21593, 1309075), (41525, 680719), (49075, 575993), (52363, 539825), (107965, 261815)]