30828028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 67995648

約数和(自身を除く): 37167620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 991, 1111, 1414, 1982, 2222, 2828, 3964, 4444, 6937, 7777, 10901, 13874, 15554, 21802, 27748, 31108, 43604, 76307, 100091, 152614, 200182, 305228, 400364, 700637, 1101001, 1401274, 2202002, 2802548, 4404004, 7707007, 15414014, 30828028]

約数ペア:

[(1, 30828028), (2, 15414014), (4, 7707007), (7, 4404004), (11, 2802548), (14, 2202002), (22, 1401274), (28, 1101001), (44, 700637), (77, 400364), (101, 305228), (154, 200182), (202, 152614), (308, 100091), (404, 76307), (707, 43604), (991, 31108), (1111, 27748), (1414, 21802), (1982, 15554), (2222, 13874), (2828, 10901), (3964, 7777), (4444, 6937)]