181384956

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 468016640

約数和(自身を除く): 286631684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 127, 194, 254, 291, 381, 388, 409, 508, 582, 762, 818, 873, 1143, 1164, 1227, 1524, 1636, 1746, 2286, 2454, 3492, 3681, 4572, 4908, 7362, 12319, 14724, 24638, 36957, 39673, 49276, 51943, 73914, 79346, 103886, 110871, 119019, 147828, 155829, 158692, 207772, 221742, 238038, 311658, 357057, 443484, 467487, 476076, 623316, 714114, 934974, 1428228, 1869948, 5038471, 10076942, 15115413, 20153884, 30230826, 45346239, 60461652, 90692478, 181384956]

約数ペア:

[(1, 181384956), (2, 90692478), (3, 60461652), (4, 45346239), (6, 30230826), (9, 20153884), (12, 15115413), (18, 10076942), (36, 5038471), (97, 1869948), (127, 1428228), (194, 934974), (254, 714114), (291, 623316), (381, 476076), (388, 467487), (409, 443484), (508, 357057), (582, 311658), (762, 238038), (818, 221742), (873, 207772), (1143, 158692), (1164, 155829), (1227, 147828), (1524, 119019), (1636, 110871), (1746, 103886), (2286, 79346), (2454, 73914), (3492, 51943), (3681, 49276), (4572, 39673), (4908, 36957), (7362, 24638), (12319, 14724)]