28121976

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 81728400

約数和(自身を除く): 53606424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 61, 72, 76, 114, 122, 152, 171, 183, 228, 244, 337, 342, 366, 456, 488, 549, 674, 684, 732, 1011, 1098, 1159, 1348, 1368, 1464, 2022, 2196, 2318, 2696, 3033, 3477, 4044, 4392, 4636, 6066, 6403, 6954, 8088, 9272, 10431, 12132, 12806, 13908, 19209, 20557, 20862, 24264, 25612, 27816, 38418, 41114, 41724, 51224, 57627, 61671, 76836, 82228, 83448, 115254, 123342, 153672, 164456, 185013, 230508, 246684, 370026, 390583, 461016, 493368, 740052, 781166, 1171749, 1480104, 1562332, 2343498, 3124664, 3515247, 4686996, 7030494, 9373992, 14060988, 28121976]

約数ペア:

[(1, 28121976), (2, 14060988), (3, 9373992), (4, 7030494), (6, 4686996), (8, 3515247), (9, 3124664), (12, 2343498), (18, 1562332), (19, 1480104), (24, 1171749), (36, 781166), (38, 740052), (57, 493368), (61, 461016), (72, 390583), (76, 370026), (114, 246684), (122, 230508), (152, 185013), (171, 164456), (183, 153672), (228, 123342), (244, 115254), (337, 83448), (342, 82228), (366, 76836), (456, 61671), (488, 57627), (549, 51224), (674, 41724), (684, 41114), (732, 38418), (1011, 27816), (1098, 25612), (1159, 24264), (1348, 20862), (1368, 20557), (1464, 19209), (2022, 13908), (2196, 12806), (2318, 12132), (2696, 10431), (3033, 9272), (3477, 8088), (4044, 6954), (4392, 6403), (4636, 6066)]