291212946908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{28433}}^1$

素因数の和:28711

約数の個数: 72

約数和(自身を含む): 560928891600

約数和(自身を除く): 269715944692

約数列:

[1, 2, 4, 13, 26, 52, 109, 139, 169, 218, 278, 338, 436, 556, 676, 1417, 1807, 2834, 3614, 5668, 7228, 15151, 18421, 23491, 28433, 30302, 36842, 46982, 56866, 60604, 73684, 93964, 113732, 196963, 369629, 393926, 739258, 787852, 1478516, 2560519, 3099197, 3952187, 4805177, 5121038, 6198394, 7904374, 9610354, 10242076, 12396788, 15808748, 19220708, 40289561, 51378431, 80579122, 102756862, 161158244, 205513724, 430788383, 523764293, 667919603, 861576766, 1047528586, 1335839206, 1723153532, 2095057172, 2671678412, 5600248979, 11200497958, 22400995916, 72803236727, 145606473454, 291212946908]

約数ペア:

[(1, 291212946908), (2, 145606473454), (4, 72803236727), (13, 22400995916), (26, 11200497958), (52, 5600248979), (109, 2671678412), (139, 2095057172), (169, 1723153532), (218, 1335839206), (278, 1047528586), (338, 861576766), (436, 667919603), (556, 523764293), (676, 430788383), (1417, 205513724), (1807, 161158244), (2834, 102756862), (3614, 80579122), (5668, 51378431), (7228, 40289561), (15151, 19220708), (18421, 15808748), (23491, 12396788), (28433, 10242076), (30302, 9610354), (36842, 7904374), (46982, 6198394), (56866, 5121038), (60604, 4805177), (73684, 3952187), (93964, 3099197), (113732, 2560519), (196963, 1478516), (369629, 787852), (393926, 739258)]