721292334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 1671805440

約数和(自身を除く): 950513106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 226, 339, 379, 401, 678, 758, 791, 802, 1137, 1203, 1582, 2274, 2373, 2406, 2653, 2807, 4746, 5306, 5614, 7959, 8421, 15918, 16842, 42827, 45313, 85654, 90626, 128481, 135939, 151979, 256962, 271878, 299789, 303958, 317191, 455937, 599578, 634382, 899367, 911874, 951573, 1063853, 1798734, 1903146, 2127706, 3191559, 6383118, 17173627, 34347254, 51520881, 103041762, 120215389, 240430778, 360646167, 721292334]

約数ペア:

[(1, 721292334), (2, 360646167), (3, 240430778), (6, 120215389), (7, 103041762), (14, 51520881), (21, 34347254), (42, 17173627), (113, 6383118), (226, 3191559), (339, 2127706), (379, 1903146), (401, 1798734), (678, 1063853), (758, 951573), (791, 911874), (802, 899367), (1137, 634382), (1203, 599578), (1582, 455937), (2274, 317191), (2373, 303958), (2406, 299789), (2653, 271878), (2807, 256962), (4746, 151979), (5306, 135939), (5614, 128481), (7959, 90626), (8421, 85654), (15918, 45313), (16842, 42827)]