639768.0000000

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 12068784

約数和(自身を除く): 7163298

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 41, 46, 51, 69, 82, 102, 123, 138, 153, 207, 246, 289, 306, 369, 391, 414, 578, 697, 738, 782, 867, 943, 1173, 1394, 1734, 1886, 2091, 2346, 2601, 2829, 3519, 4182, 5202, 5658, 6273, 6647, 7038, 8487, 11849, 12546, 13294, 16031, 16974, 19941, 23698, 32062, 35547, 39882, 48093, 59823, 71094, 96186, 106641, 119646, 144279, 213282, 272527, 288558, 545054, 817581, 1635162, 2452743, 4905486]

約数ペア:

[(1, 4905486), (2, 2452743), (3, 1635162), (6, 817581), (9, 545054), (17, 288558), (18, 272527), (23, 213282), (34, 144279), (41, 119646), (46, 106641), (51, 96186), (69, 71094), (82, 59823), (102, 48093), (123, 39882), (138, 35547), (153, 32062), (207, 23698), (246, 19941), (289, 16974), (306, 16031), (369, 13294), (391, 12546), (414, 11849), (578, 8487), (697, 7038), (738, 6647), (782, 6273), (867, 5658), (943, 5202), (1173, 4182), (1394, 3519), (1734, 2829), (1886, 2601), (2091, 2346)]