721000418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1187}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 1140023808

約数和(自身を除く): 419023390

約数列:

[1, 2, 31, 62, 97, 101, 194, 202, 1187, 2374, 3007, 3131, 6014, 6262, 9797, 19594, 36797, 73594, 115139, 119887, 230278, 239774, 303707, 607414, 3569309, 3716497, 7138618, 7432994, 11629039, 23258078, 360500209, 721000418]

約数ペア:

[(1, 721000418), (2, 360500209), (31, 23258078), (62, 11629039), (97, 7432994), (101, 7138618), (194, 3716497), (202, 3569309), (1187, 607414), (2374, 303707), (3007, 239774), (3131, 230278), (6014, 119887), (6262, 115139), (9797, 73594), (19594, 36797)]