209740398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 497041920

約数和(自身を除く): 287301522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 59, 106, 118, 159, 177, 318, 354, 371, 413, 742, 826, 1113, 1239, 1597, 2226, 2478, 3127, 3194, 4791, 6254, 9381, 9582, 11179, 18762, 21889, 22358, 33537, 43778, 65667, 67074, 84641, 94223, 131334, 169282, 188446, 253923, 282669, 507846, 565338, 592487, 659561, 1184974, 1319122, 1777461, 1978683, 3554922, 3957366, 4993819, 9987638, 14981457, 29962914, 34956733, 69913466, 104870199, 209740398]

約数ペア:

[(1, 209740398), (2, 104870199), (3, 69913466), (6, 34956733), (7, 29962914), (14, 14981457), (21, 9987638), (42, 4993819), (53, 3957366), (59, 3554922), (106, 1978683), (118, 1777461), (159, 1319122), (177, 1184974), (318, 659561), (354, 592487), (371, 565338), (413, 507846), (742, 282669), (826, 253923), (1113, 188446), (1239, 169282), (1597, 131334), (2226, 94223), (2478, 84641), (3127, 67074), (3194, 65667), (4791, 43778), (6254, 33537), (9381, 22358), (9582, 21889), (11179, 18762)]