28897518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 44646162

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 31, 34, 37, 38, 39, 51, 57, 62, 74, 78, 93, 102, 111, 114, 186, 221, 222, 247, 323, 403, 442, 481, 494, 527, 589, 629, 646, 663, 703, 741, 806, 962, 969, 1054, 1147, 1178, 1209, 1258, 1326, 1406, 1443, 1482, 1581, 1767, 1887, 1938, 2109, 2294, 2418, 2886, 3162, 3441, 3534, 3774, 4199, 4218, 6851, 6882, 7657, 8177, 8398, 9139, 10013, 11951, 12597, 13702, 14911, 15314, 16354, 18278, 19499, 20026, 20553, 21793, 22971, 23902, 24531, 25194, 27417, 29822, 30039, 35853, 38998, 41106, 43586, 44733, 45942, 49062, 54834, 58497, 60078, 65379, 71706, 89466, 116994, 130169, 130758, 155363, 253487, 260338, 283309, 310726, 370481, 390507, 466089, 506974, 566618, 740962, 760461, 781014, 849927, 932178, 1111443, 1520922, 1699854, 2222886, 4816253, 9632506, 14448759, 28897518]

約数ペア:

[(1, 28897518), (2, 14448759), (3, 9632506), (6, 4816253), (13, 2222886), (17, 1699854), (19, 1520922), (26, 1111443), (31, 932178), (34, 849927), (37, 781014), (38, 760461), (39, 740962), (51, 566618), (57, 506974), (62, 466089), (74, 390507), (78, 370481), (93, 310726), (102, 283309), (111, 260338), (114, 253487), (186, 155363), (221, 130758), (222, 130169), (247, 116994), (323, 89466), (403, 71706), (442, 65379), (481, 60078), (494, 58497), (527, 54834), (589, 49062), (629, 45942), (646, 44733), (663, 43586), (703, 41106), (741, 38998), (806, 35853), (962, 30039), (969, 29822), (1054, 27417), (1147, 25194), (1178, 24531), (1209, 23902), (1258, 22971), (1326, 21793), (1406, 20553), (1443, 20026), (1482, 19499), (1581, 18278), (1767, 16354), (1887, 15314), (1938, 14911), (2109, 13702), (2294, 12597), (2418, 11951), (2886, 10013), (3162, 9139), (3441, 8398), (3534, 8177), (3774, 7657), (4199, 6882), (4218, 6851)]