254754812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 520641072

約数和(自身を除く): 265886260

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 331, 361, 494, 533, 662, 722, 779, 988, 1066, 1324, 1444, 1558, 2132, 3116, 4303, 4693, 6289, 8606, 9386, 10127, 12578, 13571, 14801, 17212, 18772, 20254, 25156, 27142, 29602, 40508, 54284, 59204, 81757, 119491, 163514, 176423, 192413, 238982, 257849, 327028, 352846, 384826, 477964, 515698, 705692, 769652, 1031396, 1553383, 3106766, 3352037, 4899131, 6213532, 6704074, 9798262, 13408148, 19596524, 63688703, 127377406, 254754812]

約数ペア:

[(1, 254754812), (2, 127377406), (4, 63688703), (13, 19596524), (19, 13408148), (26, 9798262), (38, 6704074), (41, 6213532), (52, 4899131), (76, 3352037), (82, 3106766), (164, 1553383), (247, 1031396), (331, 769652), (361, 705692), (494, 515698), (533, 477964), (662, 384826), (722, 352846), (779, 327028), (988, 257849), (1066, 238982), (1324, 192413), (1444, 176423), (1558, 163514), (2132, 119491), (3116, 81757), (4303, 59204), (4693, 54284), (6289, 40508), (8606, 29602), (9386, 27142), (10127, 25156), (12578, 20254), (13571, 18772), (14801, 17212)]