161017506

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2381}}^1$

素因数の和:2436

約数の個数: 72

約数和(自身を含む): 399275604

約数和(自身を除く): 238258098

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 442, 578, 663, 867, 1326, 1734, 1989, 2381, 2601, 3757, 3978, 4762, 5202, 7143, 7514, 11271, 14286, 21429, 22542, 30953, 33813, 40477, 42858, 61906, 67626, 80954, 92859, 121431, 185718, 242862, 278577, 364293, 526201, 557154, 688109, 728586, 1052402, 1376218, 1578603, 2064327, 3157206, 4128654, 4735809, 6192981, 8945417, 9471618, 12385962, 17890834, 26836251, 53672502, 80508753, 161017506]

約数ペア:

[(1, 161017506), (2, 80508753), (3, 53672502), (6, 26836251), (9, 17890834), (13, 12385962), (17, 9471618), (18, 8945417), (26, 6192981), (34, 4735809), (39, 4128654), (51, 3157206), (78, 2064327), (102, 1578603), (117, 1376218), (153, 1052402), (221, 728586), (234, 688109), (289, 557154), (306, 526201), (442, 364293), (578, 278577), (663, 242862), (867, 185718), (1326, 121431), (1734, 92859), (1989, 80954), (2381, 67626), (2601, 61906), (3757, 42858), (3978, 40477), (4762, 33813), (5202, 30953), (7143, 22542), (7514, 21429), (11271, 14286)]