161778188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 357654528

約数和(自身を除く): 195876340

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 127, 131, 143, 187, 221, 254, 262, 286, 374, 442, 508, 524, 572, 748, 884, 1397, 1441, 1651, 1703, 2159, 2227, 2431, 2794, 2882, 3302, 3406, 4318, 4454, 4862, 5588, 5764, 6604, 6812, 8636, 8908, 9724, 16637, 18161, 18733, 23749, 24497, 28067, 28951, 33274, 36322, 37466, 47498, 48994, 56134, 57902, 66548, 72644, 74932, 94996, 97988, 112268, 115804, 183007, 216281, 282829, 308737, 318461, 366014, 432562, 565658, 617474, 636922, 732028, 865124, 1131316, 1234948, 1273844, 2379091, 3111119, 3676777, 4758182, 6222238, 7353554, 9516364, 12444476, 14707108, 40444547, 80889094, 161778188]

約数ペア:

[(1, 161778188), (2, 80889094), (4, 40444547), (11, 14707108), (13, 12444476), (17, 9516364), (22, 7353554), (26, 6222238), (34, 4758182), (44, 3676777), (52, 3111119), (68, 2379091), (127, 1273844), (131, 1234948), (143, 1131316), (187, 865124), (221, 732028), (254, 636922), (262, 617474), (286, 565658), (374, 432562), (442, 366014), (508, 318461), (524, 308737), (572, 282829), (748, 216281), (884, 183007), (1397, 115804), (1441, 112268), (1651, 97988), (1703, 94996), (2159, 74932), (2227, 72644), (2431, 66548), (2794, 57902), (2882, 56134), (3302, 48994), (3406, 47498), (4318, 37466), (4454, 36322), (4862, 33274), (5588, 28951), (5764, 28067), (6604, 24497), (6812, 23749), (8636, 18733), (8908, 18161), (9724, 16637)]