28686470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 56996352

約数和(自身を除く): 28309882

約数列:

[1, 2, 5, 10, 31, 37, 41, 61, 62, 74, 82, 122, 155, 185, 205, 305, 310, 370, 410, 610, 1147, 1271, 1517, 1891, 2257, 2294, 2501, 2542, 3034, 3782, 4514, 5002, 5735, 6355, 7585, 9455, 11285, 11470, 12505, 12710, 15170, 18910, 22570, 25010, 47027, 69967, 77531, 92537, 94054, 139934, 155062, 185074, 235135, 349835, 387655, 462685, 470270, 699670, 775310, 925370, 2868647, 5737294, 14343235, 28686470]

約数ペア:

[(1, 28686470), (2, 14343235), (5, 5737294), (10, 2868647), (31, 925370), (37, 775310), (41, 699670), (61, 470270), (62, 462685), (74, 387655), (82, 349835), (122, 235135), (155, 185074), (185, 155062), (205, 139934), (305, 94054), (310, 92537), (370, 77531), (410, 69967), (610, 47027), (1147, 25010), (1271, 22570), (1517, 18910), (1891, 15170), (2257, 12710), (2294, 12505), (2501, 11470), (2542, 11285), (3034, 9455), (3782, 7585), (4514, 6355), (5002, 5735)]