989056838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 1998908928

約数和(自身を除く): 1009852090

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 71, 77, 119, 142, 154, 187, 238, 289, 313, 374, 497, 578, 626, 781, 994, 1207, 1309, 1562, 2023, 2191, 2414, 2618, 3179, 3443, 4046, 4382, 5321, 5467, 6358, 6886, 8449, 10642, 10934, 13277, 16898, 20519, 22223, 22253, 24101, 26554, 37247, 41038, 44446, 44506, 48202, 58531, 74494, 90457, 92939, 117062, 143633, 155561, 180914, 185878, 225709, 244453, 287266, 311122, 377791, 409717, 451418, 488906, 633199, 755582, 819434, 995027, 1266398, 1579963, 1711171, 1990054, 2644537, 3159926, 3422342, 4155701, 5289074, 6422447, 6965189, 8311402, 12844894, 13930378, 29089907, 44957129, 58179814, 70646917, 89914258, 141293834, 494528419, 989056838]

約数ペア:

[(1, 989056838), (2, 494528419), (7, 141293834), (11, 89914258), (14, 70646917), (17, 58179814), (22, 44957129), (34, 29089907), (71, 13930378), (77, 12844894), (119, 8311402), (142, 6965189), (154, 6422447), (187, 5289074), (238, 4155701), (289, 3422342), (313, 3159926), (374, 2644537), (497, 1990054), (578, 1711171), (626, 1579963), (781, 1266398), (994, 995027), (1207, 819434), (1309, 755582), (1562, 633199), (2023, 488906), (2191, 451418), (2414, 409717), (2618, 377791), (3179, 311122), (3443, 287266), (4046, 244453), (4382, 225709), (5321, 185878), (5467, 180914), (6358, 155561), (6886, 143633), (8449, 117062), (10642, 92939), (10934, 90457), (13277, 74494), (16898, 58531), (20519, 48202), (22223, 44506), (22253, 44446), (24101, 41038), (26554, 37247)]