28291796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 27027244

約数列:

[1, 2, 4, 13, 26, 52, 71, 79, 97, 142, 158, 194, 284, 316, 388, 923, 1027, 1261, 1846, 2054, 2522, 3692, 4108, 5044, 5609, 6887, 7663, 11218, 13774, 15326, 22436, 27548, 30652, 72917, 89531, 99619, 145834, 179062, 199238, 291668, 358124, 398476, 544073, 1088146, 2176292, 7072949, 14145898, 28291796]

約数ペア:

[(1, 28291796), (2, 14145898), (4, 7072949), (13, 2176292), (26, 1088146), (52, 544073), (71, 398476), (79, 358124), (97, 291668), (142, 199238), (158, 179062), (194, 145834), (284, 99619), (316, 89531), (388, 72917), (923, 30652), (1027, 27548), (1261, 22436), (1846, 15326), (2054, 13774), (2522, 11218), (3692, 7663), (4108, 6887), (5044, 5609)]