227209788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15661}}^1$

素因数の和:15715

約数の個数: 72

約数和(自身を含む): 638508416

約数和(自身を除く): 411298628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15661, 31322, 46983, 62644, 93966, 140949, 187932, 203593, 281898, 407186, 485491, 563796, 610779, 814372, 970982, 1221558, 1456473, 1832337, 1941964, 2443116, 2912946, 3664674, 4369419, 5825892, 6311383, 7329348, 8738838, 12622766, 17477676, 18934149, 25245532, 37868298, 56802447, 75736596, 113604894, 227209788]

約数ペア:

[(1, 227209788), (2, 113604894), (3, 75736596), (4, 56802447), (6, 37868298), (9, 25245532), (12, 18934149), (13, 17477676), (18, 12622766), (26, 8738838), (31, 7329348), (36, 6311383), (39, 5825892), (52, 4369419), (62, 3664674), (78, 2912946), (93, 2443116), (117, 1941964), (124, 1832337), (156, 1456473), (186, 1221558), (234, 970982), (279, 814372), (372, 610779), (403, 563796), (468, 485491), (558, 407186), (806, 281898), (1116, 203593), (1209, 187932), (1612, 140949), (2418, 93966), (3627, 62644), (4836, 46983), (7254, 31322), (14508, 15661)]