16890970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 33126912

約数和(自身を除く): 16235942

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 103, 115, 155, 206, 230, 310, 515, 529, 713, 1030, 1058, 1426, 2369, 2645, 3193, 3565, 4738, 5290, 6386, 7130, 11845, 15965, 16399, 23690, 31930, 32798, 54487, 73439, 81995, 108974, 146878, 163990, 272435, 367195, 544870, 734390, 1689097, 3378194, 8445485, 16890970]

約数ペア:

[(1, 16890970), (2, 8445485), (5, 3378194), (10, 1689097), (23, 734390), (31, 544870), (46, 367195), (62, 272435), (103, 163990), (115, 146878), (155, 108974), (206, 81995), (230, 73439), (310, 54487), (515, 32798), (529, 31930), (713, 23690), (1030, 16399), (1058, 15965), (1426, 11845), (2369, 7130), (2645, 6386), (3193, 5290), (3565, 4738)]