9151220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 21071568

約数和(自身を除く): 11920348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 577, 610, 793, 1154, 1220, 1586, 2308, 2885, 3172, 3965, 5770, 7501, 7930, 11540, 15002, 15860, 30004, 35197, 37505, 70394, 75010, 140788, 150020, 175985, 351970, 457561, 703940, 915122, 1830244, 2287805, 4575610, 9151220]

約数ペア:

[(1, 9151220), (2, 4575610), (4, 2287805), (5, 1830244), (10, 915122), (13, 703940), (20, 457561), (26, 351970), (52, 175985), (61, 150020), (65, 140788), (122, 75010), (130, 70394), (244, 37505), (260, 35197), (305, 30004), (577, 15860), (610, 15002), (793, 11540), (1154, 7930), (1220, 7501), (1586, 5770), (2308, 3965), (2885, 3172)]