28405872

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 88208640

約数和(自身を除く): 59802768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 79, 88, 99, 132, 144, 158, 176, 198, 227, 237, 264, 316, 396, 454, 474, 528, 632, 681, 711, 792, 869, 908, 948, 1264, 1362, 1422, 1584, 1738, 1816, 1896, 2043, 2497, 2607, 2724, 2844, 3476, 3632, 3792, 4086, 4994, 5214, 5448, 5688, 6952, 7491, 7821, 8172, 9988, 10428, 10896, 11376, 13904, 14982, 15642, 16344, 17933, 19976, 20856, 22473, 29964, 31284, 32688, 35866, 39952, 41712, 44946, 53799, 59928, 62568, 71732, 89892, 107598, 119856, 125136, 143464, 161397, 179784, 197263, 215196, 286928, 322794, 359568, 394526, 430392, 591789, 645588, 789052, 860784, 1183578, 1291176, 1578104, 1775367, 2367156, 2582352, 3156208, 3550734, 4734312, 7101468, 9468624, 14202936, 28405872]

約数ペア:

[(1, 28405872), (2, 14202936), (3, 9468624), (4, 7101468), (6, 4734312), (8, 3550734), (9, 3156208), (11, 2582352), (12, 2367156), (16, 1775367), (18, 1578104), (22, 1291176), (24, 1183578), (33, 860784), (36, 789052), (44, 645588), (48, 591789), (66, 430392), (72, 394526), (79, 359568), (88, 322794), (99, 286928), (132, 215196), (144, 197263), (158, 179784), (176, 161397), (198, 143464), (227, 125136), (237, 119856), (264, 107598), (316, 89892), (396, 71732), (454, 62568), (474, 59928), (528, 53799), (632, 44946), (681, 41712), (711, 39952), (792, 35866), (869, 32688), (908, 31284), (948, 29964), (1264, 22473), (1362, 20856), (1422, 19976), (1584, 17933), (1738, 16344), (1816, 15642), (1896, 14982), (2043, 13904), (2497, 11376), (2607, 10896), (2724, 10428), (2844, 9988), (3476, 8172), (3632, 7821), (3792, 7491), (4086, 6952), (4994, 5688), (5214, 5448)]