256989153057

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{12917}}^1$

素因数の和:13335

約数の個数: 96

約数和(自身を含む): 445329964800

約数和(自身を除く): 188340811743

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 359, 377, 609, 637, 1077, 1131, 1421, 1911, 2513, 2639, 4263, 4667, 7539, 7917, 10411, 12917, 14001, 17591, 18473, 31233, 32669, 38751, 52773, 55419, 72877, 90419, 98007, 135343, 167921, 218631, 228683, 271257, 374593, 406029, 503763, 510139, 632933, 686049, 947401, 1123779, 1175447, 1530417, 1898799, 2622151, 2842203, 3526341, 4637203, 4869709, 6631807, 7866453, 8228129, 13911609, 14609127, 18355057, 19895421, 24684387, 32460421, 34087963, 55065171, 60283639, 97381263, 102263889, 134478887, 180850917, 227222947, 238615741, 403436661, 421985473, 681668841, 715847223, 941352209, 1265956419, 1748225531, 2824056627, 2953898311, 5244676593, 6589465463, 8861694933, 12237578717, 19768396389, 36712736151, 85663051019, 256989153057]

約数ペア:

[(1, 256989153057), (3, 85663051019), (7, 36712736151), (13, 19768396389), (21, 12237578717), (29, 8861694933), (39, 6589465463), (49, 5244676593), (87, 2953898311), (91, 2824056627), (147, 1748225531), (203, 1265956419), (273, 941352209), (359, 715847223), (377, 681668841), (609, 421985473), (637, 403436661), (1077, 238615741), (1131, 227222947), (1421, 180850917), (1911, 134478887), (2513, 102263889), (2639, 97381263), (4263, 60283639), (4667, 55065171), (7539, 34087963), (7917, 32460421), (10411, 24684387), (12917, 19895421), (14001, 18355057), (17591, 14609127), (18473, 13911609), (31233, 8228129), (32669, 7866453), (38751, 6631807), (52773, 4869709), (55419, 4637203), (72877, 3526341), (90419, 2842203), (98007, 2622151), (135343, 1898799), (167921, 1530417), (218631, 1175447), (228683, 1123779), (271257, 947401), (374593, 686049), (406029, 632933), (503763, 510139)]