199804555444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{19793}}^1$

素因数の和:20069

約数の個数: 72

約数和(自身を含む): 384905810520

約数和(自身を除く): 185101255076

約数列:

[1, 2, 4, 13, 26, 52, 109, 137, 169, 218, 274, 338, 436, 548, 676, 1417, 1781, 2834, 3562, 5668, 7124, 14933, 18421, 19793, 23153, 29866, 36842, 39586, 46306, 59732, 73684, 79172, 92612, 194129, 257309, 388258, 514618, 776516, 1029236, 2157437, 2523677, 2711641, 3345017, 4314874, 5047354, 5423282, 6690034, 8629748, 10094708, 10846564, 13380068, 28046681, 35251333, 56093362, 70502666, 112186724, 141005332, 295568869, 364606853, 458267329, 591137738, 729213706, 916534658, 1182275476, 1458427412, 1833069316, 3842395297, 7684790594, 15369581188, 49951138861, 99902277722, 199804555444]

約数ペア:

[(1, 199804555444), (2, 99902277722), (4, 49951138861), (13, 15369581188), (26, 7684790594), (52, 3842395297), (109, 1833069316), (137, 1458427412), (169, 1182275476), (218, 916534658), (274, 729213706), (338, 591137738), (436, 458267329), (548, 364606853), (676, 295568869), (1417, 141005332), (1781, 112186724), (2834, 70502666), (3562, 56093362), (5668, 35251333), (7124, 28046681), (14933, 13380068), (18421, 10846564), (19793, 10094708), (23153, 8629748), (29866, 6690034), (36842, 5423282), (39586, 5047354), (46306, 4314874), (59732, 3345017), (73684, 2711641), (79172, 2523677), (92612, 2157437), (194129, 1029236), (257309, 776516), (388258, 514618)]