28641132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3221}}^1$

素因数の和:3263

約数の個数: 72

約数和(自身を含む): 82096560

約数和(自身を除く): 53455428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3221, 4446, 6442, 8892, 9663, 12884, 19326, 28989, 38652, 41873, 57978, 61199, 83746, 115956, 122398, 125619, 167492, 183597, 244796, 251238, 367194, 376857, 502476, 550791, 734388, 753714, 795587, 1101582, 1507428, 1591174, 2203164, 2386761, 3182348, 4773522, 7160283, 9547044, 14320566, 28641132]

約数ペア:

[(1, 28641132), (2, 14320566), (3, 9547044), (4, 7160283), (6, 4773522), (9, 3182348), (12, 2386761), (13, 2203164), (18, 1591174), (19, 1507428), (26, 1101582), (36, 795587), (38, 753714), (39, 734388), (52, 550791), (57, 502476), (76, 376857), (78, 367194), (114, 251238), (117, 244796), (156, 183597), (171, 167492), (228, 125619), (234, 122398), (247, 115956), (342, 83746), (468, 61199), (494, 57978), (684, 41873), (741, 38652), (988, 28989), (1482, 19326), (2223, 12884), (2964, 9663), (3221, 8892), (4446, 6442)]