661186476

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{21943}}^1$

素因数の和:21993

約数の個数: 72

約数和(自身を含む): 1789225984

約数和(自身を除く): 1128039508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 3348, 5022, 7533, 10044, 15066, 21943, 30132, 43886, 65829, 87772, 131658, 197487, 263316, 394974, 592461, 680233, 789948, 1184922, 1360466, 1777383, 2040699, 2369844, 2720932, 3554766, 4081398, 5332149, 6122097, 7109532, 8162796, 10664298, 12244194, 18366291, 21328596, 24488388, 36732582, 55098873, 73465164, 110197746, 165296619, 220395492, 330593238, 661186476]

約数ペア:

[(1, 661186476), (2, 330593238), (3, 220395492), (4, 165296619), (6, 110197746), (9, 73465164), (12, 55098873), (18, 36732582), (27, 24488388), (31, 21328596), (36, 18366291), (54, 12244194), (62, 10664298), (81, 8162796), (93, 7109532), (108, 6122097), (124, 5332149), (162, 4081398), (186, 3554766), (243, 2720932), (279, 2369844), (324, 2040699), (372, 1777383), (486, 1360466), (558, 1184922), (837, 789948), (972, 680233), (1116, 592461), (1674, 394974), (2511, 263316), (3348, 197487), (5022, 131658), (7533, 87772), (10044, 65829), (15066, 43886), (21943, 30132)]