78678470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 158699520

約数和(自身を除く): 80021050

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 79, 94, 130, 158, 163, 235, 326, 395, 470, 611, 790, 815, 1027, 1222, 1630, 2054, 2119, 3055, 3713, 4238, 5135, 6110, 7426, 7661, 10270, 10595, 12877, 15322, 18565, 21190, 25754, 37130, 38305, 48269, 64385, 76610, 96538, 99593, 128770, 167401, 199186, 241345, 334802, 482690, 497965, 605219, 837005, 995930, 1210438, 1674010, 3026095, 6052190, 7867847, 15735694, 39339235, 78678470]

約数ペア:

[(1, 78678470), (2, 39339235), (5, 15735694), (10, 7867847), (13, 6052190), (26, 3026095), (47, 1674010), (65, 1210438), (79, 995930), (94, 837005), (130, 605219), (158, 497965), (163, 482690), (235, 334802), (326, 241345), (395, 199186), (470, 167401), (611, 128770), (790, 99593), (815, 96538), (1027, 76610), (1222, 64385), (1630, 48269), (2054, 38305), (2119, 37130), (3055, 25754), (3713, 21190), (4238, 18565), (5135, 15322), (6110, 12877), (7426, 10595), (7661, 10270)]