28123746

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 69716016

約数和(自身を除く): 41592270

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 289, 294, 331, 357, 578, 662, 714, 833, 867, 993, 1666, 1734, 1986, 2023, 2317, 2499, 4046, 4634, 4998, 5627, 6069, 6951, 11254, 12138, 13902, 14161, 16219, 16881, 28322, 32438, 33762, 39389, 42483, 48657, 78778, 84966, 95659, 97314, 118167, 191318, 236334, 275723, 286977, 551446, 573954, 669613, 827169, 1339226, 1654338, 2008839, 4017678, 4687291, 9374582, 14061873, 28123746]

約数ペア:

[(1, 28123746), (2, 14061873), (3, 9374582), (6, 4687291), (7, 4017678), (14, 2008839), (17, 1654338), (21, 1339226), (34, 827169), (42, 669613), (49, 573954), (51, 551446), (98, 286977), (102, 275723), (119, 236334), (147, 191318), (238, 118167), (289, 97314), (294, 95659), (331, 84966), (357, 78778), (578, 48657), (662, 42483), (714, 39389), (833, 33762), (867, 32438), (993, 28322), (1666, 16881), (1734, 16219), (1986, 14161), (2023, 13902), (2317, 12138), (2499, 11254), (4046, 6951), (4634, 6069), (4998, 5627)]