397383844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 830995704

約数和(自身を除く): 433611860

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 137, 143, 242, 274, 286, 461, 484, 548, 572, 922, 1507, 1573, 1781, 1844, 3014, 3146, 3562, 5071, 5993, 6028, 6292, 7124, 10142, 11986, 16577, 19591, 20284, 23972, 33154, 39182, 55781, 63157, 65923, 66308, 78364, 111562, 126314, 131846, 215501, 223124, 252628, 263692, 431002, 694727, 725153, 821041, 862004, 1389454, 1450306, 1642082, 2778908, 2900612, 3284164, 7641997, 9031451, 15283994, 18062902, 30567988, 36125804, 99345961, 198691922, 397383844]

約数ペア:

[(1, 397383844), (2, 198691922), (4, 99345961), (11, 36125804), (13, 30567988), (22, 18062902), (26, 15283994), (44, 9031451), (52, 7641997), (121, 3284164), (137, 2900612), (143, 2778908), (242, 1642082), (274, 1450306), (286, 1389454), (461, 862004), (484, 821041), (548, 725153), (572, 694727), (922, 431002), (1507, 263692), (1573, 252628), (1781, 223124), (1844, 215501), (3014, 131846), (3146, 126314), (3562, 111562), (5071, 78364), (5993, 66308), (6028, 65923), (6292, 63157), (7124, 55781), (10142, 39182), (11986, 33154), (16577, 23972), (19591, 20284)]