28658178

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{89}}^2$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 65369760

約数和(自身を除く): 36711582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 89, 134, 178, 201, 267, 402, 534, 603, 801, 1206, 1602, 1809, 2403, 3618, 4806, 5963, 7921, 11926, 15842, 17889, 23763, 35778, 47526, 53667, 71289, 107334, 142578, 161001, 213867, 322002, 427734, 530707, 1061414, 1592121, 3184242, 4776363, 9552726, 14329089, 28658178]

約数ペア:

[(1, 28658178), (2, 14329089), (3, 9552726), (6, 4776363), (9, 3184242), (18, 1592121), (27, 1061414), (54, 530707), (67, 427734), (89, 322002), (134, 213867), (178, 161001), (201, 142578), (267, 107334), (402, 71289), (534, 53667), (603, 47526), (801, 35778), (1206, 23763), (1602, 17889), (1809, 15842), (2403, 11926), (3618, 7921), (4806, 5963)]