16220988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 47698560

約数和(自身を除く): 31477572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1091, 1239, 1652, 2124, 2182, 2478, 3273, 3717, 4364, 4956, 6546, 7434, 7637, 9819, 13092, 14868, 15274, 19638, 22911, 30548, 39276, 45822, 64369, 68733, 91644, 128738, 137466, 193107, 257476, 274932, 386214, 450583, 579321, 772428, 901166, 1158642, 1351749, 1802332, 2317284, 2703498, 4055247, 5406996, 8110494, 16220988]

約数ペア:

[(1, 16220988), (2, 8110494), (3, 5406996), (4, 4055247), (6, 2703498), (7, 2317284), (9, 1802332), (12, 1351749), (14, 1158642), (18, 901166), (21, 772428), (28, 579321), (36, 450583), (42, 386214), (59, 274932), (63, 257476), (84, 193107), (118, 137466), (126, 128738), (177, 91644), (236, 68733), (252, 64369), (354, 45822), (413, 39276), (531, 30548), (708, 22911), (826, 19638), (1062, 15274), (1091, 14868), (1239, 13092), (1652, 9819), (2124, 7637), (2182, 7434), (2478, 6546), (3273, 4956), (3717, 4364)]