647904

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 1805328

約数和(自身を除く): 1157424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 397, 408, 544, 794, 816, 1191, 1588, 1632, 2382, 3176, 4764, 6352, 6749, 9528, 12704, 13498, 19056, 20247, 26996, 38112, 40494, 53992, 80988, 107984, 161976, 215968, 323952, 647904]

約数ペア:

[(1, 647904), (2, 323952), (3, 215968), (4, 161976), (6, 107984), (8, 80988), (12, 53992), (16, 40494), (17, 38112), (24, 26996), (32, 20247), (34, 19056), (48, 13498), (51, 12704), (68, 9528), (96, 6749), (102, 6352), (136, 4764), (204, 3176), (272, 2382), (397, 1632), (408, 1588), (544, 1191), (794, 816)]