28891908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{2777}}^1$

素因数の和:2821

約数の個数: 54

約数和(自身を含む): 77608986

約数和(自身を除く): 48717078

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2601, 2777, 3468, 5202, 5554, 8331, 10404, 11108, 16662, 24993, 33324, 47209, 49986, 94418, 99972, 141627, 188836, 283254, 424881, 566508, 802553, 849762, 1605106, 1699524, 2407659, 3210212, 4815318, 7222977, 9630636, 14445954, 28891908]

約数ペア:

[(1, 28891908), (2, 14445954), (3, 9630636), (4, 7222977), (6, 4815318), (9, 3210212), (12, 2407659), (17, 1699524), (18, 1605106), (34, 849762), (36, 802553), (51, 566508), (68, 424881), (102, 283254), (153, 188836), (204, 141627), (289, 99972), (306, 94418), (578, 49986), (612, 47209), (867, 33324), (1156, 24993), (1734, 16662), (2601, 11108), (2777, 10404), (3468, 8331), (5202, 5554)]