199400838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2111}}^1$

素因数の和:2309

約数の個数: 64

約数和(自身を含む): 493903872

約数和(自身を除く): 294503034

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 273, 346, 519, 546, 1038, 1211, 2111, 2249, 2422, 3633, 4222, 4498, 6333, 6747, 7266, 12666, 13494, 14777, 15743, 27443, 29554, 31486, 44331, 47229, 54886, 82329, 88662, 94458, 164658, 192101, 365203, 384202, 576303, 730406, 1095609, 1152606, 2191218, 2556421, 4747639, 5112842, 7669263, 9495278, 14242917, 15338526, 28485834, 33233473, 66466946, 99700419, 199400838]

約数ペア:

[(1, 199400838), (2, 99700419), (3, 66466946), (6, 33233473), (7, 28485834), (13, 15338526), (14, 14242917), (21, 9495278), (26, 7669263), (39, 5112842), (42, 4747639), (78, 2556421), (91, 2191218), (173, 1152606), (182, 1095609), (273, 730406), (346, 576303), (519, 384202), (546, 365203), (1038, 192101), (1211, 164658), (2111, 94458), (2249, 88662), (2422, 82329), (3633, 54886), (4222, 47229), (4498, 44331), (6333, 31486), (6747, 29554), (7266, 27443), (12666, 15743), (13494, 14777)]