278393702

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 452542464

約数和(自身を除く): 174148762

約数列:

[1, 2, 23, 31, 46, 62, 197, 394, 713, 991, 1426, 1982, 4531, 6107, 9062, 12214, 22793, 30721, 45586, 61442, 140461, 195227, 280922, 390454, 706583, 1413166, 4490221, 6052037, 8980442, 12104074, 139196851, 278393702]

約数ペア:

[(1, 278393702), (2, 139196851), (23, 12104074), (31, 8980442), (46, 6052037), (62, 4490221), (197, 1413166), (394, 706583), (713, 390454), (991, 280922), (1426, 195227), (1982, 140461), (4531, 61442), (6107, 45586), (9062, 30721), (12214, 22793)]