408855356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21193}}^1$

素因数の和:21270

約数の個数: 48

約数和(自身を含む): 897269184

約数和(自身を除く): 488413828

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 21193, 42386, 84772, 148351, 275509, 296702, 551018, 593404, 1102036, 1123229, 1928563, 2246458, 3857126, 4492916, 7714252, 7862603, 14601977, 15725206, 29203954, 31450412, 58407908, 102213839, 204427678, 408855356]

約数ペア:

[(1, 408855356), (2, 204427678), (4, 102213839), (7, 58407908), (13, 31450412), (14, 29203954), (26, 15725206), (28, 14601977), (52, 7862603), (53, 7714252), (91, 4492916), (106, 3857126), (182, 2246458), (212, 1928563), (364, 1123229), (371, 1102036), (689, 593404), (742, 551018), (1378, 296702), (1484, 275509), (2756, 148351), (4823, 84772), (9646, 42386), (19292, 21193)]