1645349744

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{5081}}^1$

素因数の和:5673

約数の個数: 40

約数和(自身を含む): 3280654608

約数和(自身を除く): 1635304864

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 547, 592, 1094, 2188, 4376, 5081, 8752, 10162, 20239, 20324, 40478, 40648, 80956, 81296, 161912, 187997, 323824, 375994, 751988, 1503976, 2779307, 3007952, 5558614, 11117228, 22234456, 44468912, 102834359, 205668718, 411337436, 822674872, 1645349744]

約数ペア:

[(1, 1645349744), (2, 822674872), (4, 411337436), (8, 205668718), (16, 102834359), (37, 44468912), (74, 22234456), (148, 11117228), (296, 5558614), (547, 3007952), (592, 2779307), (1094, 1503976), (2188, 751988), (4376, 375994), (5081, 323824), (8752, 187997), (10162, 161912), (20239, 81296), (20324, 80956), (40478, 40648)]