28191625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 17634935

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 101, 125, 145, 175, 203, 275, 319, 385, 505, 707, 725, 875, 1015, 1111, 1375, 1595, 1925, 2233, 2525, 2929, 3535, 3625, 5075, 5555, 7777, 7975, 9625, 11165, 12625, 14645, 17675, 20503, 25375, 27775, 32219, 38885, 39875, 55825, 73225, 88375, 102515, 138875, 161095, 194425, 225533, 279125, 366125, 512575, 805475, 972125, 1127665, 2562875, 4027375, 5638325, 28191625]

約数ペア:

[(1, 28191625), (5, 5638325), (7, 4027375), (11, 2562875), (25, 1127665), (29, 972125), (35, 805475), (55, 512575), (77, 366125), (101, 279125), (125, 225533), (145, 194425), (175, 161095), (203, 138875), (275, 102515), (319, 88375), (385, 73225), (505, 55825), (707, 39875), (725, 38885), (875, 32219), (1015, 27775), (1111, 25375), (1375, 20503), (1595, 17675), (1925, 14645), (2233, 12625), (2525, 11165), (2929, 9625), (3535, 7975), (3625, 7777), (5075, 5555)]