290791904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22549}}^1$

素因数の和:22603

約数の個数: 48

約数和(自身を含む): 636451200

約数和(自身を除く): 345659296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 22549, 45098, 90196, 180392, 293137, 360784, 586274, 699019, 721568, 1172548, 1398038, 2345096, 2796076, 4690192, 5592152, 9087247, 9380384, 11184304, 18174494, 22368608, 36348988, 72697976, 145395952, 290791904]

約数ペア:

[(1, 290791904), (2, 145395952), (4, 72697976), (8, 36348988), (13, 22368608), (16, 18174494), (26, 11184304), (31, 9380384), (32, 9087247), (52, 5592152), (62, 4690192), (104, 2796076), (124, 2345096), (208, 1398038), (248, 1172548), (403, 721568), (416, 699019), (496, 586274), (806, 360784), (992, 293137), (1612, 180392), (3224, 90196), (6448, 45098), (12896, 22549)]