438902008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 899942400

約数和(自身を除く): 461040392

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 83, 92, 116, 166, 184, 232, 332, 664, 667, 991, 1334, 1909, 1982, 2407, 2668, 3818, 3964, 4814, 5336, 7636, 7928, 9628, 15272, 19256, 22793, 28739, 45586, 55361, 57478, 82253, 91172, 110722, 114956, 164506, 182344, 221444, 229912, 329012, 442888, 658024, 660997, 1321994, 1891819, 2385337, 2643988, 3783638, 4770674, 5287976, 7567276, 9541348, 15134552, 19082696, 54862751, 109725502, 219451004, 438902008]

約数ペア:

[(1, 438902008), (2, 219451004), (4, 109725502), (8, 54862751), (23, 19082696), (29, 15134552), (46, 9541348), (58, 7567276), (83, 5287976), (92, 4770674), (116, 3783638), (166, 2643988), (184, 2385337), (232, 1891819), (332, 1321994), (664, 660997), (667, 658024), (991, 442888), (1334, 329012), (1909, 229912), (1982, 221444), (2407, 182344), (2668, 164506), (3818, 114956), (3964, 110722), (4814, 91172), (5336, 82253), (7636, 57478), (7928, 55361), (9628, 45586), (15272, 28739), (19256, 22793)]