261048294

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 651006720

約数和(自身を除く): 389958426

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 137, 153, 221, 234, 274, 306, 411, 442, 479, 663, 822, 958, 1233, 1326, 1437, 1781, 1989, 2329, 2466, 2874, 3562, 3978, 4311, 4658, 5343, 6227, 6987, 8143, 8622, 10686, 12454, 13974, 16029, 16286, 18681, 20961, 24429, 30277, 32058, 37362, 41922, 48858, 56043, 60554, 65623, 73287, 90831, 105859, 112086, 131246, 146574, 181662, 196869, 211718, 272493, 317577, 393738, 544986, 590607, 635154, 853099, 952731, 1115591, 1181214, 1706198, 1905462, 2231182, 2559297, 3346773, 5118594, 6693546, 7677891, 10040319, 14502683, 15355782, 20080638, 29005366, 43508049, 87016098, 130524147, 261048294]

約数ペア:

[(1, 261048294), (2, 130524147), (3, 87016098), (6, 43508049), (9, 29005366), (13, 20080638), (17, 15355782), (18, 14502683), (26, 10040319), (34, 7677891), (39, 6693546), (51, 5118594), (78, 3346773), (102, 2559297), (117, 2231182), (137, 1905462), (153, 1706198), (221, 1181214), (234, 1115591), (274, 952731), (306, 853099), (411, 635154), (442, 590607), (479, 544986), (663, 393738), (822, 317577), (958, 272493), (1233, 211718), (1326, 196869), (1437, 181662), (1781, 146574), (1989, 131246), (2329, 112086), (2466, 105859), (2874, 90831), (3562, 73287), (3978, 65623), (4311, 60554), (4658, 56043), (5343, 48858), (6227, 41922), (6987, 37362), (8143, 32058), (8622, 30277), (10686, 24429), (12454, 20961), (13974, 18681), (16029, 16286)]