217158984

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{61553}}^1$

素因数の和:61579

約数の個数: 72

約数和(自身を含む): 684172710

約数和(自身を除く): 467013726

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 61553, 123106, 184659, 246212, 369318, 430871, 492424, 553977, 738636, 861742, 1107954, 1292613, 1477272, 1723484, 2215908, 2585226, 3016097, 3446968, 3877839, 4431816, 5170452, 6032194, 7755678, 9048291, 10340904, 12064388, 15511356, 18096582, 24128776, 27144873, 31022712, 36193164, 54289746, 72386328, 108579492, 217158984]

約数ペア:

[(1, 217158984), (2, 108579492), (3, 72386328), (4, 54289746), (6, 36193164), (7, 31022712), (8, 27144873), (9, 24128776), (12, 18096582), (14, 15511356), (18, 12064388), (21, 10340904), (24, 9048291), (28, 7755678), (36, 6032194), (42, 5170452), (49, 4431816), (56, 3877839), (63, 3446968), (72, 3016097), (84, 2585226), (98, 2215908), (126, 1723484), (147, 1477272), (168, 1292613), (196, 1107954), (252, 861742), (294, 738636), (392, 553977), (441, 492424), (504, 430871), (588, 369318), (882, 246212), (1176, 184659), (1764, 123106), (3528, 61553)]