218961018

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2499

約数の個数: 48

約数和(自身を含む): 487895616

約数和(自身を除く): 268934598

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 142, 146, 213, 219, 426, 438, 639, 657, 1278, 1314, 2347, 4694, 5183, 7041, 10366, 14082, 15549, 21123, 31098, 42246, 46647, 93294, 166637, 171331, 333274, 342662, 499911, 513993, 999822, 1027986, 1499733, 1541979, 2999466, 3083958, 12164501, 24329002, 36493503, 72987006, 109480509, 218961018]

約数ペア:

[(1, 218961018), (2, 109480509), (3, 72987006), (6, 36493503), (9, 24329002), (18, 12164501), (71, 3083958), (73, 2999466), (142, 1541979), (146, 1499733), (213, 1027986), (219, 999822), (426, 513993), (438, 499911), (639, 342662), (657, 333274), (1278, 171331), (1314, 166637), (2347, 93294), (4694, 46647), (5183, 42246), (7041, 31098), (10366, 21123), (14082, 15549)]