1645971816

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 4419256320

約数和(自身を除く): 2773284504

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 53, 69, 92, 106, 127, 138, 159, 184, 212, 254, 276, 318, 381, 424, 443, 508, 552, 636, 762, 886, 1016, 1219, 1272, 1329, 1524, 1772, 2438, 2658, 2921, 3048, 3544, 3657, 4876, 5316, 5842, 6731, 7314, 8763, 9752, 10189, 10632, 11684, 13462, 14628, 17526, 20193, 20378, 23368, 23479, 26924, 29256, 30567, 35052, 40386, 40756, 46958, 53848, 56261, 61134, 70104, 70437, 80772, 81512, 93916, 112522, 122268, 140874, 154813, 161544, 168783, 187832, 225044, 244536, 281748, 309626, 337566, 450088, 464439, 540017, 563496, 619252, 675132, 928878, 1080034, 1238504, 1294003, 1350264, 1620051, 1857756, 2160068, 2588006, 2981833, 3240102, 3715512, 3882009, 4320136, 5176012, 5963666, 6480204, 7764018, 8945499, 10352024, 11927332, 12960408, 15528036, 17890998, 23854664, 31056072, 35781996, 68582159, 71563992, 137164318, 205746477, 274328636, 411492954, 548657272, 822985908, 1645971816]

約数ペア:

[(1, 1645971816), (2, 822985908), (3, 548657272), (4, 411492954), (6, 274328636), (8, 205746477), (12, 137164318), (23, 71563992), (24, 68582159), (46, 35781996), (53, 31056072), (69, 23854664), (92, 17890998), (106, 15528036), (127, 12960408), (138, 11927332), (159, 10352024), (184, 8945499), (212, 7764018), (254, 6480204), (276, 5963666), (318, 5176012), (381, 4320136), (424, 3882009), (443, 3715512), (508, 3240102), (552, 2981833), (636, 2588006), (762, 2160068), (886, 1857756), (1016, 1620051), (1219, 1350264), (1272, 1294003), (1329, 1238504), (1524, 1080034), (1772, 928878), (2438, 675132), (2658, 619252), (2921, 563496), (3048, 540017), (3544, 464439), (3657, 450088), (4876, 337566), (5316, 309626), (5842, 281748), (6731, 244536), (7314, 225044), (8763, 187832), (9752, 168783), (10189, 161544), (10632, 154813), (11684, 140874), (13462, 122268), (14628, 112522), (17526, 93916), (20193, 81512), (20378, 80772), (23368, 70437), (23479, 70104), (26924, 61134), (29256, 56261), (30567, 53848), (35052, 46958), (40386, 40756)]