216151964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 463770720

約数和(自身を除く): 247618756

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 277, 406, 434, 554, 812, 868, 899, 961, 1108, 1798, 1922, 1939, 3596, 3844, 3878, 6293, 6727, 7756, 8033, 8587, 12586, 13454, 16066, 17174, 25172, 26908, 27869, 32132, 34348, 55738, 56231, 60109, 111476, 112462, 120218, 195083, 224924, 240436, 249023, 266197, 390166, 498046, 532394, 780332, 996092, 1064788, 1743161, 1863379, 3486322, 3726758, 6972644, 7453516, 7719713, 15439426, 30878852, 54037991, 108075982, 216151964]

約数ペア:

[(1, 216151964), (2, 108075982), (4, 54037991), (7, 30878852), (14, 15439426), (28, 7719713), (29, 7453516), (31, 6972644), (58, 3726758), (62, 3486322), (116, 1863379), (124, 1743161), (203, 1064788), (217, 996092), (277, 780332), (406, 532394), (434, 498046), (554, 390166), (812, 266197), (868, 249023), (899, 240436), (961, 224924), (1108, 195083), (1798, 120218), (1922, 112462), (1939, 111476), (3596, 60109), (3844, 56231), (3878, 55738), (6293, 34348), (6727, 32132), (7756, 27869), (8033, 26908), (8587, 25172), (12586, 17174), (13454, 16066)]