2219742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 5591040

約数和(自身を除く): 3371298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 223, 237, 446, 474, 553, 669, 711, 1106, 1338, 1422, 1561, 1659, 2007, 3122, 3318, 4014, 4683, 4977, 9366, 9954, 14049, 17617, 28098, 35234, 52851, 105702, 123319, 158553, 246638, 317106, 369957, 739914, 1109871, 2219742]

約数ペア:

[(1, 2219742), (2, 1109871), (3, 739914), (6, 369957), (7, 317106), (9, 246638), (14, 158553), (18, 123319), (21, 105702), (42, 52851), (63, 35234), (79, 28098), (126, 17617), (158, 14049), (223, 9954), (237, 9366), (446, 4977), (474, 4683), (553, 4014), (669, 3318), (711, 3122), (1106, 2007), (1338, 1659), (1422, 1561)]