28491184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 63612000

約数和(自身を除く): 35120816

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 149, 152, 272, 296, 298, 304, 323, 592, 596, 629, 646, 703, 1192, 1258, 1292, 1406, 2384, 2516, 2533, 2584, 2812, 2831, 5032, 5066, 5168, 5513, 5624, 5662, 10064, 10132, 11026, 11248, 11324, 11951, 20264, 22052, 22648, 23902, 40528, 44104, 45296, 47804, 48127, 88208, 93721, 95608, 96254, 104747, 187442, 191216, 192508, 209494, 374884, 385016, 418988, 749768, 770032, 837976, 1499536, 1675952, 1780699, 3561398, 7122796, 14245592, 28491184]

約数ペア:

[(1, 28491184), (2, 14245592), (4, 7122796), (8, 3561398), (16, 1780699), (17, 1675952), (19, 1499536), (34, 837976), (37, 770032), (38, 749768), (68, 418988), (74, 385016), (76, 374884), (136, 209494), (148, 192508), (149, 191216), (152, 187442), (272, 104747), (296, 96254), (298, 95608), (304, 93721), (323, 88208), (592, 48127), (596, 47804), (629, 45296), (646, 44104), (703, 40528), (1192, 23902), (1258, 22648), (1292, 22052), (1406, 20264), (2384, 11951), (2516, 11324), (2533, 11248), (2584, 11026), (2812, 10132), (2831, 10064), (5032, 5662), (5066, 5624), (5168, 5513)]