16400648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 37454400

約数和(自身を除く): 21053752

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 577, 646, 748, 836, 1154, 1292, 1496, 1672, 2308, 2584, 3553, 4616, 6347, 7106, 9809, 10963, 12694, 14212, 19618, 21926, 25388, 28424, 39236, 43852, 50776, 78472, 87704, 107899, 120593, 186371, 215798, 241186, 372742, 431596, 482372, 745484, 863192, 964744, 1490968, 2050081, 4100162, 8200324, 16400648]

約数ペア:

[(1, 16400648), (2, 8200324), (4, 4100162), (8, 2050081), (11, 1490968), (17, 964744), (19, 863192), (22, 745484), (34, 482372), (38, 431596), (44, 372742), (68, 241186), (76, 215798), (88, 186371), (136, 120593), (152, 107899), (187, 87704), (209, 78472), (323, 50776), (374, 43852), (418, 39236), (577, 28424), (646, 25388), (748, 21926), (836, 19618), (1154, 14212), (1292, 12694), (1496, 10963), (1672, 9809), (2308, 7106), (2584, 6347), (3553, 4616)]