28721910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 79252992

約数和(自身を除く): 50531082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 233, 466, 587, 699, 1165, 1174, 1398, 1631, 1761, 2330, 2935, 3262, 3495, 3522, 4109, 4893, 5870, 6990, 8155, 8218, 8805, 9786, 12327, 16310, 17610, 20545, 24465, 24654, 41090, 48930, 61635, 123270, 136771, 273542, 410313, 683855, 820626, 957397, 1367710, 1914794, 2051565, 2872191, 4103130, 4786985, 5744382, 9573970, 14360955, 28721910]

約数ペア:

[(1, 28721910), (2, 14360955), (3, 9573970), (5, 5744382), (6, 4786985), (7, 4103130), (10, 2872191), (14, 2051565), (15, 1914794), (21, 1367710), (30, 957397), (35, 820626), (42, 683855), (70, 410313), (105, 273542), (210, 136771), (233, 123270), (466, 61635), (587, 48930), (699, 41090), (1165, 24654), (1174, 24465), (1398, 20545), (1631, 17610), (1761, 16310), (2330, 12327), (2935, 9786), (3262, 8805), (3495, 8218), (3522, 8155), (4109, 6990), (4893, 5870)]