64921428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12611}}^1$

素因数の和:12645

約数の個数: 72

約数和(自身を含む): 192812256

約数和(自身を除く): 127890828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 12611, 25222, 37833, 50444, 75666, 113499, 138721, 151332, 163943, 226998, 277442, 327886, 416163, 453996, 491829, 554884, 655772, 832326, 983658, 1248489, 1475487, 1664652, 1803373, 1967316, 2496978, 2950974, 3606746, 4993956, 5410119, 5901948, 7213492, 10820238, 16230357, 21640476, 32460714, 64921428]

約数ペア:

[(1, 64921428), (2, 32460714), (3, 21640476), (4, 16230357), (6, 10820238), (9, 7213492), (11, 5901948), (12, 5410119), (13, 4993956), (18, 3606746), (22, 2950974), (26, 2496978), (33, 1967316), (36, 1803373), (39, 1664652), (44, 1475487), (52, 1248489), (66, 983658), (78, 832326), (99, 655772), (117, 554884), (132, 491829), (143, 453996), (156, 416163), (198, 327886), (234, 277442), (286, 226998), (396, 163943), (429, 151332), (468, 138721), (572, 113499), (858, 75666), (1287, 50444), (1716, 37833), (2574, 25222), (5148, 12611)]