28370268

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 79049880

約数和(自身を除く): 50679612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 59, 74, 76, 111, 114, 118, 148, 171, 177, 222, 228, 236, 333, 342, 354, 361, 444, 531, 666, 684, 703, 708, 722, 1062, 1083, 1121, 1332, 1406, 1444, 2109, 2124, 2166, 2183, 2242, 2812, 3249, 3363, 4218, 4332, 4366, 4484, 6327, 6498, 6549, 6726, 8436, 8732, 10089, 12654, 12996, 13098, 13357, 13452, 19647, 20178, 21299, 25308, 26196, 26714, 39294, 40071, 40356, 41477, 42598, 53428, 63897, 78588, 80142, 82954, 85196, 120213, 124431, 127794, 160284, 165908, 191691, 240426, 248862, 255588, 373293, 383382, 480852, 497724, 746586, 766764, 788063, 1493172, 1576126, 2364189, 3152252, 4728378, 7092567, 9456756, 14185134, 28370268]

約数ペア:

[(1, 28370268), (2, 14185134), (3, 9456756), (4, 7092567), (6, 4728378), (9, 3152252), (12, 2364189), (18, 1576126), (19, 1493172), (36, 788063), (37, 766764), (38, 746586), (57, 497724), (59, 480852), (74, 383382), (76, 373293), (111, 255588), (114, 248862), (118, 240426), (148, 191691), (171, 165908), (177, 160284), (222, 127794), (228, 124431), (236, 120213), (333, 85196), (342, 82954), (354, 80142), (361, 78588), (444, 63897), (531, 53428), (666, 42598), (684, 41477), (703, 40356), (708, 40071), (722, 39294), (1062, 26714), (1083, 26196), (1121, 25308), (1332, 21299), (1406, 20178), (1444, 19647), (2109, 13452), (2124, 13357), (2166, 13098), (2183, 12996), (2242, 12654), (2812, 10089), (3249, 8732), (3363, 8436), (4218, 6726), (4332, 6549), (4366, 6498), (4484, 6327)]