215407948

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 440204800

約数和(自身を除く): 224796852

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 199, 268, 398, 469, 577, 796, 938, 1154, 1393, 1876, 2308, 2786, 4039, 5572, 8078, 13333, 16156, 26666, 38659, 53332, 77318, 93331, 114823, 154636, 186662, 229646, 270613, 373324, 459292, 541226, 803761, 1082452, 1607522, 3215044, 7693141, 15386282, 30772564, 53851987, 107703974, 215407948]

約数ペア:

[(1, 215407948), (2, 107703974), (4, 53851987), (7, 30772564), (14, 15386282), (28, 7693141), (67, 3215044), (134, 1607522), (199, 1082452), (268, 803761), (398, 541226), (469, 459292), (577, 373324), (796, 270613), (938, 229646), (1154, 186662), (1393, 154636), (1876, 114823), (2308, 93331), (2786, 77318), (4039, 53332), (5572, 38659), (8078, 26666), (13333, 16156)]