398993312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21169}}^1$

素因数の和:21229

約数の個数: 48

約数和(自身を含む): 853574400

約数和(自身を除く): 454581088

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 2356, 4712, 9424, 18848, 21169, 42338, 84676, 169352, 338704, 402211, 656239, 677408, 804422, 1312478, 1608844, 2624956, 3217688, 5249912, 6435376, 10499824, 12468541, 12870752, 20999648, 24937082, 49874164, 99748328, 199496656, 398993312]

約数ペア:

[(1, 398993312), (2, 199496656), (4, 99748328), (8, 49874164), (16, 24937082), (19, 20999648), (31, 12870752), (32, 12468541), (38, 10499824), (62, 6435376), (76, 5249912), (124, 3217688), (152, 2624956), (248, 1608844), (304, 1312478), (496, 804422), (589, 677408), (608, 656239), (992, 402211), (1178, 338704), (2356, 169352), (4712, 84676), (9424, 42338), (18848, 21169)]