788388403790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{172097}}^1$

素因数の和:172517

約数の個数: 64

約数和(自身を含む): 1545660325440

約数和(自身を除く): 757271921650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 269, 538, 655, 1310, 1345, 1703, 2690, 3406, 3497, 6994, 8515, 17030, 17485, 34970, 35239, 70478, 172097, 176195, 344194, 352390, 458107, 860485, 916214, 1720970, 2237261, 2290535, 4474522, 4581070, 11186305, 22372610, 22544707, 45089414, 46294093, 92588186, 112723535, 225447070, 231470465, 293081191, 462940930, 586162382, 601823209, 1203646418, 1465405955, 2930811910, 3009116045, 6018232090, 6064526183, 12129052366, 30322630915, 60645261830, 78838840379, 157677680758, 394194201895, 788388403790]

約数ペア:

[(1, 788388403790), (2, 394194201895), (5, 157677680758), (10, 78838840379), (13, 60645261830), (26, 30322630915), (65, 12129052366), (130, 6064526183), (131, 6018232090), (262, 3009116045), (269, 2930811910), (538, 1465405955), (655, 1203646418), (1310, 601823209), (1345, 586162382), (1703, 462940930), (2690, 293081191), (3406, 231470465), (3497, 225447070), (6994, 112723535), (8515, 92588186), (17030, 46294093), (17485, 45089414), (34970, 22544707), (35239, 22372610), (70478, 11186305), (172097, 4581070), (176195, 4474522), (344194, 2290535), (352390, 2237261), (458107, 1720970), (860485, 916214)]