8489871789

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 13341339648

約数和(自身を除く): 4851467859

約数列:

[1, 3, 7, 21, 71, 163, 181, 193, 213, 489, 497, 543, 579, 1141, 1267, 1351, 1491, 3423, 3801, 4053, 11573, 12851, 13703, 29503, 31459, 34719, 34933, 38553, 41109, 81011, 88509, 89957, 94377, 95921, 104799, 206521, 220213, 243033, 244531, 269871, 287763, 619563, 660639, 733593, 2094713, 2233589, 2480243, 5694079, 6284139, 6700767, 7440729, 14662991, 15635123, 17082237, 17361701, 39858553, 43988973, 46905369, 52085103, 119575659, 404279609, 1212838827, 2829957263, 8489871789]

約数ペア:

[(1, 8489871789), (3, 2829957263), (7, 1212838827), (21, 404279609), (71, 119575659), (163, 52085103), (181, 46905369), (193, 43988973), (213, 39858553), (489, 17361701), (497, 17082237), (543, 15635123), (579, 14662991), (1141, 7440729), (1267, 6700767), (1351, 6284139), (1491, 5694079), (3423, 2480243), (3801, 2233589), (4053, 2094713), (11573, 733593), (12851, 660639), (13703, 619563), (29503, 287763), (31459, 269871), (34719, 244531), (34933, 243033), (38553, 220213), (41109, 206521), (81011, 104799), (88509, 95921), (89957, 94377)]