28730052

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 85377600

約数和(自身を除く): 56647548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 247, 324, 342, 351, 359, 468, 494, 513, 684, 702, 718, 741, 988, 1026, 1053, 1077, 1404, 1436, 1482, 1539, 2052, 2106, 2154, 2223, 2964, 3078, 3231, 4212, 4308, 4446, 4667, 6156, 6462, 6669, 6821, 8892, 9334, 9693, 12924, 13338, 13642, 14001, 18668, 19386, 20007, 20463, 26676, 27284, 28002, 29079, 38772, 40014, 40926, 42003, 56004, 58158, 61389, 80028, 81852, 84006, 88673, 116316, 122778, 126009, 168012, 177346, 184167, 245556, 252018, 266019, 354692, 368334, 378027, 504036, 532038, 552501, 736668, 756054, 798057, 1064076, 1105002, 1512108, 1596114, 2210004, 2394171, 3192228, 4788342, 7182513, 9576684, 14365026, 28730052]

約数ペア:

[(1, 28730052), (2, 14365026), (3, 9576684), (4, 7182513), (6, 4788342), (9, 3192228), (12, 2394171), (13, 2210004), (18, 1596114), (19, 1512108), (26, 1105002), (27, 1064076), (36, 798057), (38, 756054), (39, 736668), (52, 552501), (54, 532038), (57, 504036), (76, 378027), (78, 368334), (81, 354692), (108, 266019), (114, 252018), (117, 245556), (156, 184167), (162, 177346), (171, 168012), (228, 126009), (234, 122778), (247, 116316), (324, 88673), (342, 84006), (351, 81852), (359, 80028), (468, 61389), (494, 58158), (513, 56004), (684, 42003), (702, 40926), (718, 40014), (741, 38772), (988, 29079), (1026, 28002), (1053, 27284), (1077, 26676), (1404, 20463), (1436, 20007), (1482, 19386), (1539, 18668), (2052, 14001), (2106, 13642), (2154, 13338), (2223, 12924), (2964, 9693), (3078, 9334), (3231, 8892), (4212, 6821), (4308, 6669), (4446, 6462), (4667, 6156)]