28842684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 78650880

約数和(自身を除く): 49808196

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 148, 156, 222, 228, 247, 263, 444, 481, 494, 526, 703, 741, 789, 962, 988, 1052, 1406, 1443, 1482, 1578, 1924, 2109, 2812, 2886, 2964, 3156, 3419, 4218, 4997, 5772, 6838, 8436, 9139, 9731, 9994, 10257, 13676, 14991, 18278, 19462, 19988, 20514, 27417, 29193, 29982, 36556, 38924, 41028, 54834, 58386, 59964, 64961, 109668, 116772, 126503, 129922, 184889, 194883, 253006, 259844, 369778, 379509, 389766, 506012, 554667, 739556, 759018, 779532, 1109334, 1518036, 2218668, 2403557, 4807114, 7210671, 9614228, 14421342, 28842684]

約数ペア:

[(1, 28842684), (2, 14421342), (3, 9614228), (4, 7210671), (6, 4807114), (12, 2403557), (13, 2218668), (19, 1518036), (26, 1109334), (37, 779532), (38, 759018), (39, 739556), (52, 554667), (57, 506012), (74, 389766), (76, 379509), (78, 369778), (111, 259844), (114, 253006), (148, 194883), (156, 184889), (222, 129922), (228, 126503), (247, 116772), (263, 109668), (444, 64961), (481, 59964), (494, 58386), (526, 54834), (703, 41028), (741, 38924), (789, 36556), (962, 29982), (988, 29193), (1052, 27417), (1406, 20514), (1443, 19988), (1482, 19462), (1578, 18278), (1924, 14991), (2109, 13676), (2812, 10257), (2886, 9994), (2964, 9731), (3156, 9139), (3419, 8436), (4218, 6838), (4997, 5772)]