291210128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 638155584

約数和(自身を除く): 346945456

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 197, 227, 296, 394, 407, 454, 592, 788, 814, 908, 1576, 1628, 1816, 2167, 2497, 3152, 3256, 3632, 4334, 4994, 6512, 7289, 8399, 8668, 9988, 14578, 16798, 17336, 19976, 29156, 33596, 34672, 39952, 44719, 58312, 67192, 80179, 89438, 92389, 116624, 134384, 160358, 178876, 184778, 320716, 357752, 369556, 491909, 641432, 715504, 739112, 983818, 1282864, 1478224, 1654603, 1967636, 3309206, 3935272, 6618412, 7870544, 13236824, 18200633, 26473648, 36401266, 72802532, 145605064, 291210128]

約数ペア:

[(1, 291210128), (2, 145605064), (4, 72802532), (8, 36401266), (11, 26473648), (16, 18200633), (22, 13236824), (37, 7870544), (44, 6618412), (74, 3935272), (88, 3309206), (148, 1967636), (176, 1654603), (197, 1478224), (227, 1282864), (296, 983818), (394, 739112), (407, 715504), (454, 641432), (592, 491909), (788, 369556), (814, 357752), (908, 320716), (1576, 184778), (1628, 178876), (1816, 160358), (2167, 134384), (2497, 116624), (3152, 92389), (3256, 89438), (3632, 80179), (4334, 67192), (4994, 58312), (6512, 44719), (7289, 39952), (8399, 34672), (8668, 33596), (9988, 29156), (14578, 19976), (16798, 17336)]