7212556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 14817600

約数和(自身を除く): 7605044

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 199, 221, 398, 442, 533, 697, 796, 884, 1066, 1394, 2132, 2587, 2788, 3383, 5174, 6766, 8159, 9061, 10348, 13532, 16318, 18122, 32636, 36244, 43979, 87958, 106067, 138703, 175916, 212134, 277406, 424268, 554812, 1803139, 3606278, 7212556]

約数ペア:

[(1, 7212556), (2, 3606278), (4, 1803139), (13, 554812), (17, 424268), (26, 277406), (34, 212134), (41, 175916), (52, 138703), (68, 106067), (82, 87958), (164, 43979), (199, 36244), (221, 32636), (398, 18122), (442, 16318), (533, 13532), (697, 10348), (796, 9061), (884, 8159), (1066, 6766), (1394, 5174), (2132, 3383), (2587, 2788)]