253090292

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 563068800

約数和(自身を除く): 309978508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 142, 182, 196, 284, 364, 497, 637, 923, 994, 1274, 1399, 1846, 1988, 2548, 2798, 3479, 3692, 5596, 6461, 6958, 9793, 12922, 13916, 18187, 19586, 25844, 36374, 39172, 45227, 68551, 72748, 90454, 99329, 127309, 137102, 180908, 198658, 254618, 274204, 397316, 509236, 695303, 891163, 1291277, 1390606, 1782326, 2582554, 2781212, 3564652, 4867121, 5165108, 9038939, 9734242, 18077878, 19468484, 36155756, 63272573, 126545146, 253090292]

約数ペア:

[(1, 253090292), (2, 126545146), (4, 63272573), (7, 36155756), (13, 19468484), (14, 18077878), (26, 9734242), (28, 9038939), (49, 5165108), (52, 4867121), (71, 3564652), (91, 2781212), (98, 2582554), (142, 1782326), (182, 1390606), (196, 1291277), (284, 891163), (364, 695303), (497, 509236), (637, 397316), (923, 274204), (994, 254618), (1274, 198658), (1399, 180908), (1846, 137102), (1988, 127309), (2548, 99329), (2798, 90454), (3479, 72748), (3692, 68551), (5596, 45227), (6461, 39172), (6958, 36374), (9793, 25844), (12922, 19586), (13916, 18187)]