398412

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 1290240

約数和(自身を除く): 891828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 51, 54, 62, 63, 68, 84, 93, 102, 108, 119, 124, 126, 153, 186, 189, 204, 217, 238, 252, 279, 306, 357, 372, 378, 434, 459, 476, 527, 558, 612, 651, 714, 756, 837, 868, 918, 1054, 1071, 1116, 1302, 1428, 1581, 1674, 1836, 1953, 2108, 2142, 2604, 3162, 3213, 3348, 3689, 3906, 4284, 4743, 5859, 6324, 6426, 7378, 7812, 9486, 11067, 11718, 12852, 14229, 14756, 18972, 22134, 23436, 28458, 33201, 44268, 56916, 66402, 99603, 132804, 199206, 398412]

約数ペア:

[(1, 398412), (2, 199206), (3, 132804), (4, 99603), (6, 66402), (7, 56916), (9, 44268), (12, 33201), (14, 28458), (17, 23436), (18, 22134), (21, 18972), (27, 14756), (28, 14229), (31, 12852), (34, 11718), (36, 11067), (42, 9486), (51, 7812), (54, 7378), (62, 6426), (63, 6324), (68, 5859), (84, 4743), (93, 4284), (102, 3906), (108, 3689), (119, 3348), (124, 3213), (126, 3162), (153, 2604), (186, 2142), (189, 2108), (204, 1953), (217, 1836), (238, 1674), (252, 1581), (279, 1428), (306, 1302), (357, 1116), (372, 1071), (378, 1054), (434, 918), (459, 868), (476, 837), (527, 756), (558, 714), (612, 651)]