398412170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4475

約数の個数: 64

約数和(自身を含む): 837871776

約数和(自身を除く): 439459606

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 130, 170, 205, 221, 410, 442, 533, 697, 1066, 1105, 1394, 2210, 2665, 3485, 4397, 5330, 6970, 8794, 9061, 18122, 21985, 43970, 45305, 57161, 74749, 90610, 114322, 149498, 180277, 285805, 360554, 373745, 571610, 747490, 901385, 971737, 1802770, 1943474, 2343601, 3064709, 4687202, 4858685, 6129418, 9717370, 11718005, 15323545, 23436010, 30647090, 39841217, 79682434, 199206085, 398412170]

約数ペア:

[(1, 398412170), (2, 199206085), (5, 79682434), (10, 39841217), (13, 30647090), (17, 23436010), (26, 15323545), (34, 11718005), (41, 9717370), (65, 6129418), (82, 4858685), (85, 4687202), (130, 3064709), (170, 2343601), (205, 1943474), (221, 1802770), (410, 971737), (442, 901385), (533, 747490), (697, 571610), (1066, 373745), (1105, 360554), (1394, 285805), (2210, 180277), (2665, 149498), (3485, 114322), (4397, 90610), (5330, 74749), (6970, 57161), (8794, 45305), (9061, 43970), (18122, 21985)]