28903808

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 33887392

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 272, 296, 359, 544, 592, 629, 718, 1088, 1184, 1258, 1436, 2176, 2368, 2516, 2872, 4736, 5032, 5744, 6103, 10064, 11488, 12206, 13283, 20128, 22976, 24412, 26566, 40256, 45952, 48824, 53132, 80512, 97648, 106264, 195296, 212528, 225811, 390592, 425056, 451622, 781184, 850112, 903244, 1700224, 1806488, 3612976, 7225952, 14451904, 28903808]

約数ペア:

[(1, 28903808), (2, 14451904), (4, 7225952), (8, 3612976), (16, 1806488), (17, 1700224), (32, 903244), (34, 850112), (37, 781184), (64, 451622), (68, 425056), (74, 390592), (128, 225811), (136, 212528), (148, 195296), (272, 106264), (296, 97648), (359, 80512), (544, 53132), (592, 48824), (629, 45952), (718, 40256), (1088, 26566), (1184, 24412), (1258, 22976), (1436, 20128), (2176, 13283), (2368, 12206), (2516, 11488), (2872, 10064), (4736, 6103), (5032, 5744)]