99214975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 137000160

約数和(自身を除く): 37785185

約数列:

[1, 5, 17, 25, 43, 61, 85, 89, 215, 305, 425, 445, 731, 1037, 1075, 1513, 1525, 2225, 2623, 3655, 3827, 5185, 5429, 7565, 13115, 18275, 19135, 25925, 27145, 37825, 44591, 65059, 65575, 92293, 95675, 135725, 222955, 233447, 325295, 461465, 1114775, 1167235, 1626475, 2307325, 3968599, 5836175, 19842995, 99214975]

約数ペア:

[(1, 99214975), (5, 19842995), (17, 5836175), (25, 3968599), (43, 2307325), (61, 1626475), (85, 1167235), (89, 1114775), (215, 461465), (305, 325295), (425, 233447), (445, 222955), (731, 135725), (1037, 95675), (1075, 92293), (1513, 65575), (1525, 65059), (2225, 44591), (2623, 37825), (3655, 27145), (3827, 25925), (5185, 19135), (5429, 18275), (7565, 13115)]