253946172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 656786088

約数和(自身を除く): 402839916

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 61, 62, 76, 93, 114, 122, 124, 183, 186, 228, 244, 361, 366, 372, 589, 722, 732, 961, 1083, 1159, 1178, 1444, 1767, 1891, 1922, 2166, 2318, 2356, 2883, 3477, 3534, 3782, 3844, 4332, 4636, 5673, 5766, 6954, 7068, 7564, 11191, 11346, 11532, 13908, 18259, 22021, 22382, 22692, 33573, 35929, 36518, 44042, 44764, 54777, 58621, 66063, 67146, 71858, 73036, 88084, 107787, 109554, 117242, 132126, 134292, 143716, 175863, 215574, 219108, 234484, 264252, 346921, 351726, 431148, 682651, 693842, 703452, 1040763, 1113799, 1365302, 1387684, 2047953, 2081526, 2227598, 2730604, 3341397, 4095906, 4163052, 4455196, 6682794, 8191812, 13365588, 21162181, 42324362, 63486543, 84648724, 126973086, 253946172]

約数ペア:

[(1, 253946172), (2, 126973086), (3, 84648724), (4, 63486543), (6, 42324362), (12, 21162181), (19, 13365588), (31, 8191812), (38, 6682794), (57, 4455196), (61, 4163052), (62, 4095906), (76, 3341397), (93, 2730604), (114, 2227598), (122, 2081526), (124, 2047953), (183, 1387684), (186, 1365302), (228, 1113799), (244, 1040763), (361, 703452), (366, 693842), (372, 682651), (589, 431148), (722, 351726), (732, 346921), (961, 264252), (1083, 234484), (1159, 219108), (1178, 215574), (1444, 175863), (1767, 143716), (1891, 134292), (1922, 132126), (2166, 117242), (2318, 109554), (2356, 107787), (2883, 88084), (3477, 73036), (3534, 71858), (3782, 67146), (3844, 66063), (4332, 58621), (4636, 54777), (5673, 44764), (5766, 44042), (6954, 36518), (7068, 35929), (7564, 33573), (11191, 22692), (11346, 22382), (11532, 22021), (13908, 18259)]