400291218

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{947}}^1\times {\mathrm{1021}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 906849216

約数和(自身を除く): 506557998

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 947, 1021, 1894, 2042, 2841, 3063, 5682, 6126, 8523, 9189, 17046, 18378, 21781, 23483, 43562, 46966, 65343, 70449, 130686, 140898, 196029, 211347, 392058, 422694, 966887, 1933774, 2900661, 5801322, 8701983, 17403966, 22238401, 44476802, 66715203, 133430406, 200145609, 400291218]

約数ペア:

[(1, 400291218), (2, 200145609), (3, 133430406), (6, 66715203), (9, 44476802), (18, 22238401), (23, 17403966), (46, 8701983), (69, 5801322), (138, 2900661), (207, 1933774), (414, 966887), (947, 422694), (1021, 392058), (1894, 211347), (2042, 196029), (2841, 140898), (3063, 130686), (5682, 70449), (6126, 65343), (8523, 46966), (9189, 43562), (17046, 23483), (18378, 21781)]