2018444725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 2817391104

約数和(自身を除く): 798946379

約数列:

[1, 5, 11, 25, 43, 55, 131, 215, 275, 473, 655, 1075, 1303, 1441, 2365, 3275, 5633, 6515, 7205, 11825, 14333, 28165, 32575, 36025, 56029, 61963, 71665, 140825, 170693, 280145, 309815, 358325, 616319, 853465, 1400725, 1549075, 1877623, 3081595, 4267325, 7339799, 9388115, 15407975, 36698995, 46940575, 80737789, 183494975, 403688945, 2018444725]

約数ペア:

[(1, 2018444725), (5, 403688945), (11, 183494975), (25, 80737789), (43, 46940575), (55, 36698995), (131, 15407975), (215, 9388115), (275, 7339799), (473, 4267325), (655, 3081595), (1075, 1877623), (1303, 1549075), (1441, 1400725), (2365, 853465), (3275, 616319), (5633, 358325), (6515, 309815), (7205, 280145), (11825, 170693), (14333, 140825), (28165, 71665), (32575, 61963), (36025, 56029)]