51997830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^2$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 126999792

約数和(自身を除く): 75001962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 131, 202, 262, 303, 393, 505, 606, 655, 786, 1010, 1310, 1515, 1965, 3030, 3930, 13231, 17161, 26462, 34322, 39693, 51483, 66155, 79386, 85805, 102966, 132310, 171610, 198465, 257415, 396930, 514830, 1733261, 3466522, 5199783, 8666305, 10399566, 17332610, 25998915, 51997830]

約数ペア:

[(1, 51997830), (2, 25998915), (3, 17332610), (5, 10399566), (6, 8666305), (10, 5199783), (15, 3466522), (30, 1733261), (101, 514830), (131, 396930), (202, 257415), (262, 198465), (303, 171610), (393, 132310), (505, 102966), (606, 85805), (655, 79386), (786, 66155), (1010, 51483), (1310, 39693), (1515, 34322), (1965, 26462), (3030, 17161), (3930, 13231)]