2639778904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 6151749120

約数和(自身を除く): 3511970216

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 131, 136, 238, 244, 262, 347, 427, 476, 488, 524, 694, 854, 917, 952, 1037, 1048, 1388, 1708, 1834, 2074, 2227, 2429, 2776, 3416, 3668, 4148, 4454, 4858, 5899, 7259, 7336, 7991, 8296, 8908, 9716, 11798, 14518, 15589, 15982, 17816, 19432, 21167, 23596, 29036, 31178, 31964, 41293, 42334, 45457, 47192, 55937, 58072, 62356, 63928, 82586, 84668, 90914, 111874, 124712, 135847, 148169, 165172, 169336, 181828, 223748, 271694, 296338, 318199, 330344, 359839, 363656, 447496, 543388, 592676, 636398, 719678, 772769, 950929, 1086776, 1185352, 1272796, 1439356, 1545538, 1901858, 2518873, 2545592, 2772877, 2878712, 3091076, 3803716, 5037746, 5409383, 5545754, 6182152, 7607432, 10075492, 10818766, 11091508, 19410139, 20150984, 21637532, 22183016, 38820278, 43275064, 47138909, 77640556, 94277818, 155281112, 188555636, 329972363, 377111272, 659944726, 1319889452, 2639778904]

約数ペア:

[(1, 2639778904), (2, 1319889452), (4, 659944726), (7, 377111272), (8, 329972363), (14, 188555636), (17, 155281112), (28, 94277818), (34, 77640556), (56, 47138909), (61, 43275064), (68, 38820278), (119, 22183016), (122, 21637532), (131, 20150984), (136, 19410139), (238, 11091508), (244, 10818766), (262, 10075492), (347, 7607432), (427, 6182152), (476, 5545754), (488, 5409383), (524, 5037746), (694, 3803716), (854, 3091076), (917, 2878712), (952, 2772877), (1037, 2545592), (1048, 2518873), (1388, 1901858), (1708, 1545538), (1834, 1439356), (2074, 1272796), (2227, 1185352), (2429, 1086776), (2776, 950929), (3416, 772769), (3668, 719678), (4148, 636398), (4454, 592676), (4858, 543388), (5899, 447496), (7259, 363656), (7336, 359839), (7991, 330344), (8296, 318199), (8908, 296338), (9716, 271694), (11798, 223748), (14518, 181828), (15589, 169336), (15982, 165172), (17816, 148169), (19432, 135847), (21167, 124712), (23596, 111874), (29036, 90914), (31178, 84668), (31964, 82586), (41293, 63928), (42334, 62356), (45457, 58072), (47192, 55937)]