218765988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 144

約数和(自身を含む): 670703040

約数和(自身を除く): 451937052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 67, 84, 98, 108, 126, 134, 147, 189, 196, 201, 252, 268, 294, 378, 402, 441, 469, 588, 603, 617, 756, 804, 882, 938, 1206, 1234, 1323, 1407, 1764, 1809, 1851, 1876, 2412, 2468, 2646, 2814, 3283, 3618, 3702, 4221, 4319, 5292, 5553, 5628, 6566, 7236, 7404, 8442, 8638, 9849, 11106, 12663, 12957, 13132, 16659, 16884, 17276, 19698, 22212, 25326, 25914, 29547, 30233, 33318, 38871, 39396, 41339, 50652, 51828, 59094, 60466, 66636, 77742, 82678, 88641, 90699, 116613, 118188, 120932, 124017, 155484, 165356, 177282, 181398, 233226, 248034, 272097, 289373, 354564, 362796, 372051, 466452, 496068, 544194, 578746, 744102, 816291, 868119, 1088388, 1116153, 1157492, 1488204, 1632582, 1736238, 2025611, 2232306, 2604357, 3265164, 3472476, 4051222, 4464612, 5208714, 6076833, 7813071, 8102444, 10417428, 12153666, 15626142, 18230499, 24307332, 31252284, 36460998, 54691497, 72921996, 109382994, 218765988]

約数ペア:

[(1, 218765988), (2, 109382994), (3, 72921996), (4, 54691497), (6, 36460998), (7, 31252284), (9, 24307332), (12, 18230499), (14, 15626142), (18, 12153666), (21, 10417428), (27, 8102444), (28, 7813071), (36, 6076833), (42, 5208714), (49, 4464612), (54, 4051222), (63, 3472476), (67, 3265164), (84, 2604357), (98, 2232306), (108, 2025611), (126, 1736238), (134, 1632582), (147, 1488204), (189, 1157492), (196, 1116153), (201, 1088388), (252, 868119), (268, 816291), (294, 744102), (378, 578746), (402, 544194), (441, 496068), (469, 466452), (588, 372051), (603, 362796), (617, 354564), (756, 289373), (804, 272097), (882, 248034), (938, 233226), (1206, 181398), (1234, 177282), (1323, 165356), (1407, 155484), (1764, 124017), (1809, 120932), (1851, 118188), (1876, 116613), (2412, 90699), (2468, 88641), (2646, 82678), (2814, 77742), (3283, 66636), (3618, 60466), (3702, 59094), (4221, 51828), (4319, 50652), (5292, 41339), (5553, 39396), (5628, 38871), (6566, 33318), (7236, 30233), (7404, 29547), (8442, 25914), (8638, 25326), (9849, 22212), (11106, 19698), (12663, 17276), (12957, 16884), (13132, 16659)]